diff --git a/examples/Picker/TextPickerDialog_columnWidths/.gitignore b/examples/Picker/TextPickerDialog_columnWidths/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..d2ff20141ceed86d87c0ea5d99481973005bab2b
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/.gitignore
@@ -0,0 +1,12 @@
+/node_modules
+/oh_modules
+/local.properties
+/.idea
+**/build
+/.hvigor
+.cxx
+/.clangd
+/.clang-format
+/.clang-tidy
+**/.test
+/.appanalyzer
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/AppScope/app.json5 b/examples/Picker/TextPickerDialog_columnWidths/AppScope/app.json5
new file mode 100644
index 0000000000000000000000000000000000000000..7fcb893787932ebddc1dff9df9d5b72d9afbb63b
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/AppScope/app.json5
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "app": {
+    "bundleName": "com.example.textpickerdialog_columnwidths",
+    "vendor": "example",
+    "versionCode": 1000000,
+    "versionName": "1.0.0",
+    "icon": "$media:layered_image",
+    "label": "$string:app_name"
+  }
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/element/string.json b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..1602c8450bb059caeb3a8d2feffa9207f964679b
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/element/string.json
@@ -0,0 +1,8 @@
+{
+  "string": [
+    {
+      "name": "app_name",
+      "value": "TextPickerDialog_columnWidths"
+    }
+  ]
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/background.png b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/background.png
new file mode 100644
index 0000000000000000000000000000000000000000..923f2b3f27e915d6871871deea0420eb45ce102f
Binary files /dev/null and b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/background.png differ
diff --git a/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/foreground.png b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/foreground.png
new file mode 100644
index 0000000000000000000000000000000000000000..eb9427585b36d14b12477435b6419d1f07b3e0bb
Binary files /dev/null and b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/foreground.png differ
diff --git a/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/layered_image.json b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/layered_image.json
new file mode 100644
index 0000000000000000000000000000000000000000..fb49920440fb4d246c82f9ada275e26123a2136a
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/AppScope/resources/base/media/layered_image.json
@@ -0,0 +1,7 @@
+{
+  "layered-image":
+  {
+    "background" : "$media:background",
+    "foreground" : "$media:foreground"
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/build-profile.json5 b/examples/Picker/TextPickerDialog_columnWidths/build-profile.json5
new file mode 100644
index 0000000000000000000000000000000000000000..10b45c8977f1aae356b356a91ddc3d404e0724cc
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/build-profile.json5
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "app": {
+    "signingConfigs": [
+      {
+        "name": "default",
+        "type": "HarmonyOS",
+        "material": {
+          "certpath": "C:\\Users\\hxx\\.ohos\\config\\default_TextPickerDialog_columnWidths_iO4-r3HIzQxI46XxDspJTOjvfcUYc0MrKbCPq0SFYpk=.cer",
+          "keyAlias": "debugKey",
+          "keyPassword": "0000001AF1A69BC68BDD77B805E950F47B67B0A1A08AA6B86B350617369C2FFEF83AFB3E611F6B5033BC",
+          "profile": "C:\\Users\\hxx\\.ohos\\config\\default_TextPickerDialog_columnWidths_iO4-r3HIzQxI46XxDspJTOjvfcUYc0MrKbCPq0SFYpk=.p7b",
+          "signAlg": "SHA256withECDSA",
+          "storeFile": "C:\\Users\\hxx\\.ohos\\config\\default_TextPickerDialog_columnWidths_iO4-r3HIzQxI46XxDspJTOjvfcUYc0MrKbCPq0SFYpk=.p12",
+          "storePassword": "0000001A7255070E0462A1D45890C4F3DD569613F48F49259AE83827D931AD057ED082B49F8F1073E245"
+        }
+      }
+    ],
+    "products": [
+      {
+        "name": "default",
+        "signingConfig": "default",
+        "targetSdkVersion": "5.1.1(19)",
+        "compatibleSdkVersion": "5.1.1(19)",
+        "runtimeOS": "HarmonyOS",
+        "buildOption": {
+          "strictMode": {
+            "caseSensitiveCheck": true,
+            "useNormalizedOHMUrl": true
+          }
+        }
+      }
+    ],
+    "buildModeSet": [
+      {
+        "name": "debug",
+      },
+      {
+        "name": "release"
+      }
+    ]
+  },
+  "modules": [
+    {
+      "name": "entry",
+      "srcPath": "./entry",
+      "targets": [
+        {
+          "name": "default",
+          "applyToProducts": [
+            "default"
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/code-linter.json5 b/examples/Picker/TextPickerDialog_columnWidths/code-linter.json5
new file mode 100644
index 0000000000000000000000000000000000000000..5c4682f8164874ec7e9cb8f99ff8b3228ffbc126
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/code-linter.json5
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "files": [
+    "**/*.ets"
+  ],
+  "ignore": [
+    "**/src/ohosTest/**/*",
+    "**/src/test/**/*",
+    "**/src/mock/**/*",
+    "**/node_modules/**/*",
+    "**/oh_modules/**/*",
+    "**/build/**/*",
+    "**/.preview/**/*"
+  ],
+  "ruleSet": [
+    "plugin:@performance/recommended",
+    "plugin:@typescript-eslint/recommended"
+  ],
+  "rules": {
+    "@security/no-unsafe-aes": "error",
+    "@security/no-unsafe-hash": "error",
+    "@security/no-unsafe-mac": "warn",
+    "@security/no-unsafe-dh": "error",
+    "@security/no-unsafe-dsa": "error",
+    "@security/no-unsafe-ecdsa": "error",
+    "@security/no-unsafe-rsa-encrypt": "error",
+    "@security/no-unsafe-rsa-sign": "error",
+    "@security/no-unsafe-rsa-key": "error",
+    "@security/no-unsafe-dsa-key": "error",
+    "@security/no-unsafe-dh-key": "error",
+    "@security/no-unsafe-3des": "error"
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/.gitignore b/examples/Picker/TextPickerDialog_columnWidths/entry/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e2713a2779c5a3e0eb879efe6115455592caeea5
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/.gitignore
@@ -0,0 +1,6 @@
+/node_modules
+/oh_modules
+/.preview
+/build
+/.cxx
+/.test
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/build-profile.json5 b/examples/Picker/TextPickerDialog_columnWidths/entry/build-profile.json5
new file mode 100644
index 0000000000000000000000000000000000000000..982dbb524bd63408e05cfbed7204dd87a31dd681
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/build-profile.json5
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "apiType": "stageMode",
+  "buildOption": {
+  },
+  "buildOptionSet": [
+    {
+      "name": "release",
+      "arkOptions": {
+        "obfuscation": {
+          "ruleOptions": {
+            "enable": false,
+            "files": [
+              "./obfuscation-rules.txt"
+            ]
+          }
+        }
+      }
+    },
+  ],
+  "targets": [
+    {
+      "name": "default"
+    },
+    {
+      "name": "ohosTest",
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/hvigorfile.ts b/examples/Picker/TextPickerDialog_columnWidths/entry/hvigorfile.ts
new file mode 100644
index 0000000000000000000000000000000000000000..f8b117a17af3b2d7cb87a7680e29e2bb8ccd5b46
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/hvigorfile.ts
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { hapTasks } from '@ohos/hvigor-ohos-plugin';
+
+export default {
+  system: hapTasks, /* Built-in plugin of Hvigor. It cannot be modified. */
+  plugins: []       /* Custom plugin to extend the functionality of Hvigor. */
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/obfuscation-rules.txt b/examples/Picker/TextPickerDialog_columnWidths/entry/obfuscation-rules.txt
new file mode 100644
index 0000000000000000000000000000000000000000..272efb6ca3f240859091bbbfc7c5802d52793b0b
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/obfuscation-rules.txt
@@ -0,0 +1,23 @@
+# Define project specific obfuscation rules here.
+# You can include the obfuscation configuration files in the current module's build-profile.json5.
+#
+# For more details, see
+#   https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/source-obfuscation-V5
+
+# Obfuscation options:
+# -disable-obfuscation: disable all obfuscations
+# -enable-property-obfuscation: obfuscate the property names
+# -enable-toplevel-obfuscation: obfuscate the names in the global scope
+# -compact: remove unnecessary blank spaces and all line feeds
+# -remove-log: remove all console.* statements
+# -print-namecache: print the name cache that contains the mapping from the old names to new names
+# -apply-namecache: reuse the given cache file
+
+# Keep options:
+# -keep-property-name: specifies property names that you want to keep
+# -keep-global-name: specifies names that you want to keep in the global scope
+
+-enable-property-obfuscation
+-enable-toplevel-obfuscation
+-enable-filename-obfuscation
+-enable-export-obfuscation
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/oh-package.json5 b/examples/Picker/TextPickerDialog_columnWidths/entry/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..10cda399b0aec3099b257299a57d284393e4e55a
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/oh-package.json5
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "name": "entry",
+  "version": "1.0.0",
+  "description": "Please describe the basic information.",
+  "main": "",
+  "author": "",
+  "license": "",
+  "dependencies": {}
+}
+
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/entryability/EntryAbility.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/entryability/EntryAbility.ets
new file mode 100644
index 0000000000000000000000000000000000000000..508880af8c33aa838016d1cd4b2c68be2f447540
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/entryability/EntryAbility.ets
@@ -0,0 +1,44 @@
+import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { window } from '@kit.ArkUI';
+
+const DOMAIN = 0x0000;
+
+export default class EntryAbility extends UIAbility {
+  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+    this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
+  }
+
+  onDestroy(): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
+  }
+
+  onWindowStageCreate(windowStage: window.WindowStage): void {
+    // Main window is created, set main page for this ability
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
+
+    windowStage.loadContent('pages/Index', (err) => {
+      if (err.code) {
+        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
+        return;
+      }
+      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
+    });
+  }
+
+  onWindowStageDestroy(): void {
+    // Main window is destroyed, release UI related resources
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
+  }
+
+  onForeground(): void {
+    // Ability has brought to foreground
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
+  }
+
+  onBackground(): void {
+    // Ability has back to background
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets
new file mode 100644
index 0000000000000000000000000000000000000000..8e4de99282050bad799ac892eb85ac5449364a51
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets
@@ -0,0 +1,16 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { BackupExtensionAbility, BundleVersion } from '@kit.CoreFileKit';
+
+const DOMAIN = 0x0000;
+
+export default class EntryBackupAbility extends BackupExtensionAbility {
+  async onBackup() {
+    hilog.info(DOMAIN, 'testTag', 'onBackup ok');
+    await Promise.resolve();
+  }
+
+  async onRestore(bundleVersion: BundleVersion) {
+    hilog.info(DOMAIN, 'testTag', 'onRestore ok %{public}s', JSON.stringify(bundleVersion));
+    await Promise.resolve();
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/pages/Index.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/pages/Index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..d8681a968fc1b8d73430f2334912858da7987ac1
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/ets/pages/Index.ets
@@ -0,0 +1,290 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { CalleeCallback, ConfigurationConstant } from '@kit.AbilityKit';
+import { Callback } from '@ohos.base';
+import { LengthMetrics } from '@kit.ArkUI';
+
+interface pickerCategories<T> {
+  id?: string,
+  text: string,
+  value?: T
+}
+
+interface pickerData {
+  id: string,
+  range: string[] | string[][] | Resource | TextPickerRangeContent[] | TextCascadePickerRangeContent[]
+}
+
+@Entry
+@Component
+struct Index {
+  @State currentDialog: string = '';
+
+  private apples: string[] = ['apple1', 'apple2', 'apple3', 'apple4'];
+  private oranges: string[] = ['orange1', 'orange2', 'orange3', 'orange4'];
+  private peaches: string[] = ['peach1', 'peach2', 'peach3', 'peach4'];
+  private multiFruits: string[][] = [this.apples, this.oranges, this.peaches];
+
+  private resRange: Resource = $r('app.strarray.example_name_1');
+  private contentRange: TextPickerRangeContent[] = [
+    {
+      icon: $r('app.media.svg1'),
+      text: $r('app.string.heilongjiang')
+    },
+    {
+      icon: $r('sys.media.ohos_ic_public_phone'),
+      text: $r('app.string.jilin')
+    },
+    {
+      icon: $r('sys.media.ohos_ic_public_more'),
+      text: $r('app.string.liaoning')
+    },
+    {
+      icon: $r('app.media.3_C'),
+      text: $r('app.string.shenhe')
+    }
+  ];
+
+  private cascade: TextCascadePickerRangeContent[] = [
+    {
+      text: $r('app.string.liaoning'),
+      children: [
+        {
+          text: $r('app.string.shenyang'),
+          children: [
+            {
+              text: $r('app.string.shenhe')
+            },
+            {
+              text: $r('app.string.heping')
+            },
+            {
+              text: $r('app.string.hunnan')
+            }
+          ]
+        },
+        {
+          text: $r('app.string.dalian'),
+          children: [
+            {
+              text: $r('app.string.zhongshan')
+            },
+            {
+              text: $r('app.string.jinzhou')
+            },
+            {
+              text: $r('app.string.changhai')
+            }
+          ]
+        }
+      ]
+    },
+    {
+      text: $r('app.string.jilin'),
+      children: [
+        {
+          text: $r('app.string.changchun'),
+          children: [
+            {
+              text: $r('app.string.nanguan')
+            },
+            {
+              text: $r('app.string.kuancheng')
+            },
+            {
+              text: $r('app.string.chaoyang')
+            }
+          ]
+        },
+        {
+          text: $r('app.string.siping'),
+          children: [
+            {
+              text: $r('app.string.tiexi')
+            },
+            {
+              text: $r('app.string.tiedong')
+            },
+            {
+              text: $r('app.string.lishu')
+            }
+          ]
+        }
+      ]
+    },
+    {
+      text: $r('app.string.heilongjiang'),
+      children: [
+        {
+          text: $r('app.string.haerbing'),
+          children: [
+            {
+              text: $r('app.string.daoli'),
+            },
+            {
+              text: $r('app.string.daowai'),
+            },
+            {
+              text: $r('app.string.nangang'),
+            }
+          ]
+        },
+        {
+          text: $r('app.string.mudan'),
+          children: [
+            {
+              text: $r('app.string.dongan')
+            },
+            {
+              text: $r('app.string.xian')
+            },
+            {
+              text: $r('app.string.aimin')
+            }
+          ]
+        }
+      ]
+    }
+  ];
+
+  allData: pickerData[] = [
+    {id: '单列', range: this.resRange},
+    {id: '单列图文', range: this.contentRange},
+    {id: '多列不联动', range: this.multiFruits},
+    {id: '多列联动', range: this.cascade},
+    {id: '单例超长', range: ['这是一个超级超级超级超级超级超级无敌长的文本']}
+  ];
+  @State dataIndex: number = -1;
+
+  @State columnWidthsValues: pickerCategories<LengthMetrics[]>[] = [
+    {
+      text: 'undefined',
+      value: undefined
+    },
+    {
+      text: '[]',
+      value: []
+    },
+    {
+      text: '60(170)vp',
+      value: [LengthMetrics.resource($r('app.string.100vpDark200'))]
+    },
+    {
+      text: '60%',
+      value: [LengthMetrics.percent(60)]
+    },
+    {
+      text: '100%',
+      value: [LengthMetrics.percent(100)]
+    },
+    {
+      text: '100-100-200(200-120-220)vp',
+      value: [LengthMetrics.resource($r('app.string.100vpDark200')),
+      LengthMetrics.resource($r('app.string.100vpDark120')),
+      LengthMetrics.resource($r('app.string.200vpDark220'))]
+    },
+    {
+      text: '20-40-20(25-45-25)%',
+      value: [LengthMetrics.resource($r('app.string.20PercentDark25')),
+        LengthMetrics.resource($r('app.string.40PercentDark45')),
+        LengthMetrics.resource($r('app.string.20PercentDark25'))]
+    },
+    {
+      text: '100vp-20%-20%(120vp-25%-25%)',
+      value: [LengthMetrics.resource($r('app.string.100vpDark120')),
+        LengthMetrics.resource($r('app.string.20PercentDark25')),
+        LengthMetrics.resource($r('app.string.20PercentDark25'))]
+    },
+    {
+      text: '100vp-99999vp',
+      value: [LengthMetrics.vp(100), LengthMetrics.resource($r('app.string.99999vp'))]
+    },
+    {
+      text: '20%-20%-60%',
+      value: [LengthMetrics.percent(20), LengthMetrics.percent(20), LengthMetrics.percent(60)]
+    },
+    {
+      text: '60%-20%-20%',
+      value: [LengthMetrics.percent(60), LengthMetrics.percent(20), LengthMetrics.percent(20)]
+    }
+  ];
+  @State columnWidths?: LengthMetrics[] = undefined;
+  @State columnWidthsStr: string = '';
+
+  @Builder
+  clickComponent(id?: string, text?: string, click?: Callback<ClickEvent>) {
+    Column() {
+      Button(text).fontSize(12)
+    }
+    .id(id)
+    .onClick(click)
+  }
+
+  build() {
+    Column({space: 5}) {
+      Text('TextPickerDialog columnWidths')
+
+      Scroll() {
+        Column({space: 5}) {
+          Row({space: 5}) {
+            this.clickComponent(undefined, '深色', (event: ClickEvent) => {
+              let context = this.getUIContext().getHostContext()?.getApplicationContext()
+              context?.setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_DARK)
+            })
+            this.clickComponent(undefined, '浅色', (event: ClickEvent) => {
+              let context = this.getUIContext().getHostContext()?.getApplicationContext()
+              context?.setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_LIGHT)
+            })
+          }.width('100%')
+
+          Text('选择一个TextPickerDialog: ' + this.currentDialog).width('100%')
+          Flex({wrap: FlexWrap.Wrap, alignContent: FlexAlign.Center, space: {main: LengthMetrics.vp(5)}}) {
+            ForEach(this.allData, (item: pickerData, index: number) => {
+              this.clickComponent(item.id, item.id, (event: ClickEvent) => {
+                this.dataIndex = index;
+                this.currentDialog = this.allData[index].id;
+              })
+            })
+          }.width('100%')
+
+          Text('columnWidths: ' + this.columnWidthsStr).width('100%')
+          Flex({wrap: FlexWrap.Wrap, alignContent: FlexAlign.Center, space: {main: LengthMetrics.vp(5)}}) {
+            ForEach(this.columnWidthsValues, (item: pickerCategories<LengthMetrics[]>, index: number) => {
+              this.clickComponent(item.text, item.text, (event: ClickEvent) => {
+                this.columnWidths = item.value;
+                this.columnWidthsStr = item.text;
+              })
+            })
+          }.width('100%')
+
+        }.width('100%')
+      }.constraintSize({maxHeight: '500vp'})
+
+      Stack() {
+        ForEach(this.allData, (item: pickerData, index: number) => {
+          Button('TextPickerDialog')
+            .onClick(() => {
+              this.getUIContext().showTextPickerDialog({
+                range: item.range,
+                columnWidths: this.columnWidths,
+              })
+            })
+            .visibility(this.dataIndex == index ? Visibility.Visible : Visibility.Hidden)
+        })
+      }
+    }.width('100%')
+  }
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/module.json5 b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..53024e8f020cc0824592631ba6924108c8028f0f
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/module.json5
@@ -0,0 +1,50 @@
+{
+  "module": {
+    "name": "entry",
+    "type": "entry",
+    "description": "$string:module_desc",
+    "mainElement": "EntryAbility",
+    "deviceTypes": [
+      "phone"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false,
+    "pages": "$profile:main_pages",
+    "abilities": [
+      {
+        "name": "EntryAbility",
+        "srcEntry": "./ets/entryability/EntryAbility.ets",
+        "description": "$string:EntryAbility_desc",
+        "icon": "$media:layered_image",
+        "label": "$string:EntryAbility_label",
+        "startWindowIcon": "$media:startIcon",
+        "startWindowBackground": "$color:start_window_background",
+        "exported": true,
+        "skills": [
+          {
+            "entities": [
+              "entity.system.home"
+            ],
+            "actions": [
+              "ohos.want.action.home"
+            ]
+          }
+        ]
+      }
+    ],
+    "extensionAbilities": [
+      {
+        "name": "EntryBackupAbility",
+        "srcEntry": "./ets/entrybackupability/EntryBackupAbility.ets",
+        "type": "backup",
+        "exported": false,
+        "metadata": [
+          {
+            "name": "ohos.extension.backup",
+            "resource": "$profile:backup_config"
+          }
+        ],
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/color.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/color.json
new file mode 100644
index 0000000000000000000000000000000000000000..3c712962da3c2751c2b9ddb53559afcbd2b54a02
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/color.json
@@ -0,0 +1,8 @@
+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#FFFFFF"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/float.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/float.json
new file mode 100644
index 0000000000000000000000000000000000000000..33ea22304f9b1485b5f22d811023701b5d4e35b6
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/float.json
@@ -0,0 +1,8 @@
+{
+  "float": [
+    {
+      "name": "page_text_font_size",
+      "value": "50fp"
+    }
+  ]
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/strarray.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/strarray.json
new file mode 100644
index 0000000000000000000000000000000000000000..8813a6670c67b387f5a559b2fa936558ab13c101
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/strarray.json
@@ -0,0 +1,22 @@
+{
+  "strarray": [
+    {
+      "name": "example_name_1",
+      "value": [
+        {
+          "value": "string_value_1"
+        },
+        {
+          "value": "string_value_2"
+        },
+        {
+          "value": "string_value_3"
+        },
+        {
+          "value": "string_value_4"
+        }
+      ],
+      "comment": "This is a comment for the first object"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/string.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..e6f862e859e6f2047c95f697e175d3f8d164fe02
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/element/string.json
@@ -0,0 +1,148 @@
+{
+  "string": [
+    {
+      "name": "module_desc",
+      "value": "module description"
+    },
+    {
+      "name": "EntryAbility_desc",
+      "value": "description"
+    },
+    {
+      "name": "EntryAbility_label",
+      "value": "label"
+    },
+    {
+      "name": "liaoning",
+      "value": "浅辽宁省"
+    },
+    {
+      "name": "shenyang",
+      "value": "浅沈阳市"
+    },
+    {
+      "name": "shenhe",
+      "value": "浅沈河区"
+    },
+    {
+      "name": "heping",
+      "value": "浅和平区"
+    },
+    {
+      "name": "hunnan",
+      "value": "浅浑南区"
+    },
+    {
+      "name": "dalian",
+      "value": "浅大连市"
+    },
+    {
+      "name": "zhongshan",
+      "value": "浅中山区"
+    },
+    {
+      "name": "jinzhou",
+      "value": "浅金州区"
+    },
+    {
+      "name": "changhai",
+      "value": "浅长海县"
+    },
+    {
+      "name": "jilin",
+      "value": "浅吉林省"
+    },
+    {
+      "name": "changchun",
+      "value": "浅长春市"
+    },
+    {
+      "name": "nanguan",
+      "value": "浅南关区"
+    },
+    {
+      "name": "kuancheng",
+      "value": "浅宽城区"
+    },
+    {
+      "name": "chaoyang",
+      "value": "浅朝阳区"
+    },
+    {
+      "name": "siping",
+      "value": "浅四平市"
+    },
+    {
+      "name": "tiexi",
+      "value": "浅铁西区"
+    },
+    {
+      "name": "tiedong",
+      "value": "浅铁东区"
+    },
+    {
+      "name": "lishu",
+      "value": "浅梨树县"
+    },
+    {
+      "name": "heilongjiang",
+      "value": "浅黑龙江省"
+    },
+    {
+      "name": "haerbing",
+      "value": "浅哈尔滨市"
+    },
+    {
+      "name": "daoli",
+      "value": "浅道里区"
+    },
+    {
+      "name": "daowai",
+      "value": "浅道外区"
+    },
+    {
+      "name": "nangang",
+      "value": "浅南岗区"
+    },
+    {
+      "name": "mudan",
+      "value": "浅牡丹江市"
+    },
+    {
+      "name": "dongan",
+      "value": "浅东安区"
+    },
+    {
+      "name": "xian",
+      "value": "浅西安区"
+    },
+    {
+      "name": "aimin",
+      "value": "浅爱民区"
+    },
+    {
+      "name": "100vpDark200",
+      "value": "100vp"
+    },
+    {
+      "name": "100vpDark120",
+      "value": "100vp"
+    },
+    {
+      "name": "200vpDark220",
+      "value": "200vp"
+    },
+    {
+      "name": "20PercentDark25",
+      "value": "20%"
+    },
+    {
+      "name": "40PercentDark45",
+      "value": "40%"
+    },
+    {
+      "name": "99999vp",
+      "value": "99999vp"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/background.png b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/background.png
new file mode 100644
index 0000000000000000000000000000000000000000..923f2b3f27e915d6871871deea0420eb45ce102f
Binary files /dev/null and b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/background.png differ
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/foreground.png b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/foreground.png
new file mode 100644
index 0000000000000000000000000000000000000000..97014d3e10e5ff511409c378cd4255713aecd85f
Binary files /dev/null and b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/foreground.png differ
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/layered_image.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/layered_image.json
new file mode 100644
index 0000000000000000000000000000000000000000..fb49920440fb4d246c82f9ada275e26123a2136a
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/layered_image.json
@@ -0,0 +1,7 @@
+{
+  "layered-image":
+  {
+    "background" : "$media:background",
+    "foreground" : "$media:foreground"
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/startIcon.png b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/startIcon.png
new file mode 100644
index 0000000000000000000000000000000000000000..205ad8b5a8a42e8762fbe4899b8e5e31ce822b8b
Binary files /dev/null and b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/media/startIcon.png differ
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/profile/backup_config.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/profile/backup_config.json
new file mode 100644
index 0000000000000000000000000000000000000000..78f40ae7c494d71e2482278f359ec790ca73471a
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/profile/backup_config.json
@@ -0,0 +1,3 @@
+{
+  "allowToBackupRestore": true
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/profile/main_pages.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/profile/main_pages.json
new file mode 100644
index 0000000000000000000000000000000000000000..1898d94f58d6128ab712be2c68acc7c98e9ab9ce
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/base/profile/main_pages.json
@@ -0,0 +1,5 @@
+{
+  "src": [
+    "pages/Index"
+  ]
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/dark/element/color.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/dark/element/color.json
new file mode 100644
index 0000000000000000000000000000000000000000..79b11c2747aec33e710fd3a7b2b3c94dd9965499
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/dark/element/color.json
@@ -0,0 +1,8 @@
+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#000000"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/dark/element/string.json b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/dark/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..b2a21310e4cbb10fe0ce32c9be32f27d29d62a58
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/main/resources/dark/element/string.json
@@ -0,0 +1,136 @@
+{
+  "string": [
+    {
+      "name": "liaoning",
+      "value": "深辽宁省"
+    },
+    {
+      "name": "shenyang",
+      "value": "深沈阳市"
+    },
+    {
+      "name": "shenhe",
+      "value": "深沈河区"
+    },
+    {
+      "name": "heping",
+      "value": "深和平区"
+    },
+    {
+      "name": "hunnan",
+      "value": "深浑南区"
+    },
+    {
+      "name": "dalian",
+      "value": "深大连市"
+    },
+    {
+      "name": "zhongshan",
+      "value": "深中山区"
+    },
+    {
+      "name": "jinzhou",
+      "value": "深金州区"
+    },
+    {
+      "name": "changhai",
+      "value": "深长海县"
+    },
+    {
+      "name": "jilin",
+      "value": "深吉林省"
+    },
+    {
+      "name": "changchun",
+      "value": "深长春市"
+    },
+    {
+      "name": "nanguan",
+      "value": "深南关区"
+    },
+    {
+      "name": "kuancheng",
+      "value": "深宽城区"
+    },
+    {
+      "name": "chaoyang",
+      "value": "深朝阳区"
+    },
+    {
+      "name": "siping",
+      "value": "深四平市"
+    },
+    {
+      "name": "tiexi",
+      "value": "深铁西区"
+    },
+    {
+      "name": "tiedong",
+      "value": "深铁东区"
+    },
+    {
+      "name": "lishu",
+      "value": "深梨树县"
+    },
+    {
+      "name": "heilongjiang",
+      "value": "深黑龙江省"
+    },
+    {
+      "name": "haerbing",
+      "value": "深哈尔滨市"
+    },
+    {
+      "name": "daoli",
+      "value": "深道里区"
+    },
+    {
+      "name": "daowai",
+      "value": "深道外区"
+    },
+    {
+      "name": "nangang",
+      "value": "深南岗区"
+    },
+    {
+      "name": "mudan",
+      "value": "深牡丹江市"
+    },
+    {
+      "name": "dongan",
+      "value": "深东安区"
+    },
+    {
+      "name": "xian",
+      "value": "深西安区"
+    },
+    {
+      "name": "aimin",
+      "value": "深爱民区"
+    },
+    {
+      "name": "100vpDark200",
+      "value": "200vp"
+    },
+    {
+      "name": "100vpDark120",
+      "value": "120vp"
+    },
+    {
+      "name": "200vpDark220",
+      "value": "220vp"
+    },
+    {
+      "name": "20PercentDark25",
+      "value": "25%"
+    },
+    {
+      "name": "40PercentDark45",
+      "value": "45%"
+    },
+    {
+      "name": "99999vp",
+      "value": "99999vp"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/mock/mock-config.json5 b/examples/Picker/TextPickerDialog_columnWidths/entry/src/mock/mock-config.json5
new file mode 100644
index 0000000000000000000000000000000000000000..7a73a41bfdf76d6f793007240d80983a52f15f97
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/mock/mock-config.json5
@@ -0,0 +1,2 @@
+{
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/ets/test/Ability.test.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/ets/test/Ability.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..85c78f67579d6e31b5f5aeea463e216b9b141048
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/ets/test/Ability.test.ets
@@ -0,0 +1,35 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function abilityTest() {
+  describe('ActsAbilityTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    })
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    })
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    })
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    })
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      hilog.info(0x0000, 'testTag', '%{public}s', 'it begin');
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    })
+  })
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/ets/test/List.test.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/ets/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..794c7dc4ed66bd98fa3865e07922906e2fcef545
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/ets/test/List.test.ets
@@ -0,0 +1,5 @@
+import abilityTest from './Ability.test';
+
+export default function testsuite() {
+  abilityTest();
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/module.json5 b/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..509a3a28a3e6be8d7f98cc563fa8195657d77d1d
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/ohosTest/module.json5
@@ -0,0 +1,11 @@
+{
+  "module": {
+    "name": "entry_test",
+    "type": "feature",
+    "deviceTypes": [
+      "phone"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false
+  }
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/test/List.test.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..bb5b5c3731e283dd507c847560ee59bde477bbc7
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/test/List.test.ets
@@ -0,0 +1,5 @@
+import localUnitTest from './LocalUnit.test';
+
+export default function testsuite() {
+  localUnitTest();
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/entry/src/test/LocalUnit.test.ets b/examples/Picker/TextPickerDialog_columnWidths/entry/src/test/LocalUnit.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..165fc1615ee8618b4cb6a622f144a9a707eee99f
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/entry/src/test/LocalUnit.test.ets
@@ -0,0 +1,33 @@
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function localUnitTest() {
+  describe('localUnitTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    });
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    });
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    });
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    });
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    });
+  });
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/hvigor/hvigor-config.json5 b/examples/Picker/TextPickerDialog_columnWidths/hvigor/hvigor-config.json5
new file mode 100644
index 0000000000000000000000000000000000000000..4bd5c6b99856d717ed8cdc7c7f85755571c27128
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/hvigor/hvigor-config.json5
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "modelVersion": "5.1.1",
+  "dependencies": {
+  },
+  "execution": {
+    // "analyze": "normal",                     /* Define the build analyze mode. Value: [ "normal" | "advanced" | false ]. Default: "normal" */
+    // "daemon": true,                          /* Enable daemon compilation. Value: [ true | false ]. Default: true */
+    // "incremental": true,                     /* Enable incremental compilation. Value: [ true | false ]. Default: true */
+    // "parallel": true,                        /* Enable parallel compilation. Value: [ true | false ]. Default: true */
+    // "typeCheck": false,                      /* Enable typeCheck. Value: [ true | false ]. Default: false */
+  },
+  "logging": {
+    // "level": "info"                          /* Define the log level. Value: [ "debug" | "info" | "warn" | "error" ]. Default: "info" */
+  },
+  "debugging": {
+    // "stacktrace": false                      /* Disable stacktrace compilation. Value: [ true | false ]. Default: false */
+  },
+  "nodeOptions": {
+    // "maxOldSpaceSize": 8192                  /* Enable nodeOptions maxOldSpaceSize compilation. Unit M. Used for the daemon process. Default: 8192*/
+    // "exposeGC": true                         /* Enable to trigger garbage collection explicitly. Default: true*/
+  }
+}
diff --git a/examples/Picker/TextPickerDialog_columnWidths/hvigorfile.ts b/examples/Picker/TextPickerDialog_columnWidths/hvigorfile.ts
new file mode 100644
index 0000000000000000000000000000000000000000..ae9086af35844176c08f1be3772d081d95d267c6
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/hvigorfile.ts
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { appTasks } from '@ohos/hvigor-ohos-plugin';
+
+export default {
+  system: appTasks, /* Built-in plugin of Hvigor. It cannot be modified. */
+  plugins: []       /* Custom plugin to extend the functionality of Hvigor. */
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/oh-package-lock.json5 b/examples/Picker/TextPickerDialog_columnWidths/oh-package-lock.json5
new file mode 100644
index 0000000000000000000000000000000000000000..01f291e148fe3bb4fde8c5b9aba73b25d493f3d2
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/oh-package-lock.json5
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "meta": {
+    "stableOrder": true,
+    "enableUnifiedLockfile": false
+  },
+  "lockfileVersion": 3,
+  "ATTENTION": "THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.",
+  "specifiers": {
+    "@ohos/hamock@1.0.0": "@ohos/hamock@1.0.0",
+    "@ohos/hypium@1.0.21": "@ohos/hypium@1.0.21"
+  },
+  "packages": {
+    "@ohos/hamock@1.0.0": {
+      "name": "@ohos/hamock",
+      "version": "1.0.0",
+      "integrity": "sha512-K6lDPYc6VkKe6ZBNQa9aoG+ZZMiwqfcR/7yAVFSUGIuOAhPvCJAo9+t1fZnpe0dBRBPxj2bxPPbKh69VuyAtDg==",
+      "resolved": "https://ohpm.openharmony.cn/ohpm/@ohos/hamock/-/hamock-1.0.0.har",
+      "registryType": "ohpm"
+    },
+    "@ohos/hypium@1.0.21": {
+      "name": "@ohos/hypium",
+      "version": "1.0.21",
+      "integrity": "sha512-iyKGMXxE+9PpCkqEwu0VykN/7hNpb+QOeIuHwkmZnxOpI+dFZt6yhPB7k89EgV1MiSK/ieV/hMjr5Z2mWwRfMQ==",
+      "resolved": "https://ohpm.openharmony.cn/ohpm/@ohos/hypium/-/hypium-1.0.21.har",
+      "registryType": "ohpm"
+    }
+  }
+}
\ No newline at end of file
diff --git a/examples/Picker/TextPickerDialog_columnWidths/oh-package.json5 b/examples/Picker/TextPickerDialog_columnWidths/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..41ed05598470e02379db2b68e6cb9015c0847509
--- /dev/null
+++ b/examples/Picker/TextPickerDialog_columnWidths/oh-package.json5
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+{
+  "modelVersion": "5.1.1",
+  "description": "Please describe the basic information.",
+  "dependencies": {
+  },
+  "devDependencies": {
+    "@ohos/hypium": "1.0.21",
+    "@ohos/hamock": "1.0.0"
+  }
+}