diff --git a/common/DistributeCalc/build.gradle b/common/DistributeCalc/build.gradle
index 3c7d48fcaa641d9156caad6f91773a5cf92c4685..8a6ebff430f75f4e09eb0462900d2b247643d987 100644
--- a/common/DistributeCalc/build.gradle
+++ b/common/DistributeCalc/build.gradle
@@ -2,10 +2,8 @@
 apply plugin: 'com.huawei.ohos.app'
 
 ohos {
-    compileSdkVersion 6
-    defaultConfig {
-        compatibleSdkVersion 6
-    }
+    compileSdkVersion 7
+    supportSystem "standard"
 }
 
 buildscript {
@@ -16,11 +14,9 @@ buildscript {
         maven {
             url 'https://developer.huawei.com/repo/'
         }
-        jcenter()
     }
     dependencies {
-        classpath 'com.huawei.ohos:hap:2.4.5.0'
-        classpath 'com.huawei.ohos:decctest:1.2.4.1'
+        classpath 'com.huawei.ohos:hap:3.0.3.2'
     }
 }
 
@@ -32,6 +28,5 @@ allprojects {
         maven {
             url 'https://developer.huawei.com/repo/'
         }
-        jcenter()
     }
 }
diff --git a/common/DistributeCalc/entry/build.gradle b/common/DistributeCalc/entry/build.gradle
index 8f4fb4dc437b13d5159de737fab6d1b296422d13..23858519f83c168b1aed612cdd5764584e9688ce 100644
--- a/common/DistributeCalc/entry/build.gradle
+++ b/common/DistributeCalc/entry/build.gradle
@@ -1,9 +1,9 @@
 apply plugin: 'com.huawei.ohos.hap'
-apply plugin: 'com.huawei.ohos.decctest'
+
 ohos {
-    compileSdkVersion 6
+    compileSdkVersion 7
     defaultConfig {
-        compatibleSdkVersion 6
+        compatibleSdkVersion 7
     }
     buildTypes {
         release {
@@ -13,11 +13,4 @@ ohos {
             }
         }
     }
-    supportSystem "standard"
-
-}
-
-dependencies {}
-decc {
-    supportType = ['html', 'xml']
-}
+}
\ No newline at end of file
diff --git a/common/DistributeCalc/entry/src/main/config.json b/common/DistributeCalc/entry/src/main/config.json
index 59b1bc2c672db8bcbe40012b4038838fddac4746..1d85085a13669389cdb2e822aeb5a13cf3d88184 100644
--- a/common/DistributeCalc/entry/src/main/config.json
+++ b/common/DistributeCalc/entry/src/main/config.json
@@ -34,9 +34,10 @@
         ],
         "name": "com.example.distributedcalc.MainAbility",
         "icon": "$media:icon",
+        "srcPath": "default",
+        "srcLanguage": "js",
         "description": "$string:mainability_description",
         "label": "$string:app_name",
-        "visible": true,
         "type": "page",
         "launchType": "standard"
       }
@@ -55,4 +56,4 @@
       }
     ]
   }
-}
+}
\ No newline at end of file
diff --git a/common/DistributeCalc/entry/src/main/js/default/pages/calc/calc.css b/common/DistributeCalc/entry/src/main/js/default/pages/calc/calc.css
index 9cdbe8880a3ff2d1447b0ec3a15d34f04fd81f52..4716272fa56fc04b4a1b7586045810a488c612ea 100644
--- a/common/DistributeCalc/entry/src/main/js/default/pages/calc/calc.css
+++ b/common/DistributeCalc/entry/src/main/js/default/pages/calc/calc.css
@@ -12,6 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/*
+ * Copyright (c) 2021 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.
+ */
+
 .calc-container {
     height: 100%;
     width: 100%;
@@ -44,29 +59,30 @@
 }
 
 .calc-expr {
-    font-size: 72px;
     color: #000000;
     width: 100%;
-    height: 13%;
+    font-size: 50px;
+    height: 50px;
+    margin-top:10px
 }
 
 .calc-rsl {
     color: #999;
-    font-size: 38px;
     width: 100%;
-    height: 8%;
+    font-size: 38px;
+    height: 40px;
 }
 
 .input-area {
     width: 100%;
     height: 65%;
-    margin-top: 22%;
+    margin-top: 10px;
 }
 
 .calc-text-btn, .calc-op-btn, .calc-equals-btn {
     border-radius: 16px;
-    height: 106px;
     width: 18%;
+    height: 40px;
     font-size: 38px;
 }
 
@@ -98,19 +114,22 @@
 }
 
 .calc-btn-row-1 {
-    top: 112px;
+    top: 20px;
 }
 
 .calc-btn-row-2 {
-    top: 226px;
+    top: 60px;
+    margin-top: 3px;
 }
 
 .calc-btn-row-3 {
-    top: 340px;
+    top: 100px;
+    margin-top: 6px;
 }
 
 .calc-btn-row-4 {
-    top: 454px;
+    top: 140px;
+    margin-top: 9px;
 }
 
 .calc-btn-col-1 {
@@ -138,23 +157,23 @@
 }
 
 .calc-btn-col-span-2 {
-    height: 220px;
+    height: 86px;
 }
 
 .calc-icon-row-1 {
-    top: 152px;
+    top: 24px;
 }
 
 .calc-icon-row-2 {
-    top: 266px;
+    top: 66px;
 }
 
 .calc-icon-row-3 {
-    top: 380px;
+    top: 110px;
 }
 
 .calc-icon-row-4 {
-    top: 484px;
+    top: 150px;
 }
 
 .calc-icon-col-1 {
diff --git a/common/DistributeCalc/entry/src/main/js/default/pages/index/index.css b/common/DistributeCalc/entry/src/main/js/default/pages/index/index.css
index 7a9423c256f6ef397e1baa0f0bf727f0cb15b937..deb64ff037a7bc57dfc073e69e60f4c906dc4115 100644
--- a/common/DistributeCalc/entry/src/main/js/default/pages/index/index.css
+++ b/common/DistributeCalc/entry/src/main/js/default/pages/index/index.css
@@ -1,215 +1,217 @@
-/*
- * Copyright (c) 2021 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.
- */
-
-.calc-container {
-    height: 100%;
-    width: 100%;
-    flex-direction: column;
-}
-
-.calc-icon {
-    width: 36px;
-    height: 36px;
-}
-
-.calc-titlebar {
-    width: 100%;
-    height: 10%;
-}
-
-.calc-back-btn {
-    left: 39px;
-    top: 10px;
-}
-
-.calc-select-device-btn {
-    left:90%;
-    top: 10px;
-}
-
-.calc-select-device-dialog {
-    width: 90%;
-    height: 33%;
-}
-
-.calc-select-device-wrapper {
-    width: 95%;
-    margin-left: 5%;
-    height: 100%;
-    flex-direction: column;
-}
-
-.calc-select-device-item {
-    width: 100%;
-    height: 50%;
-}
-
-.calc-select-device-item-cancel-btn {
-    text-align: center;
-    color: #0000ff;
-}
-
-.calc-select-device-item-title {
-    text-align: left;
-    font-size: 40px;
-}
-
-.calc-select-device-item-left {
-    width: 90%;
-    height: 100%;
-    text-align: left;
-    font-size: 32px;
-}
-
-.calc-select-device-item-right {
-    width: 10%;
-    height: 100%;
-}
-
-.calc-title {
-    left: 96px;
-    font-size: 30px;
-    top: 10px;
-}
-
-.calc-expr, .calc-rsl {
-    padding: 0 3%;
-}
-
-.calc-expr {
-    font-size: 72px;
-    color: #000000;
-    width: 100%;
-    height: 13%;
-}
-
-.calc-rsl {
-    color: #999;
-    font-size: 38px;
-    width: 100%;
-    height: 8%;
-}
-
-.input-area {
-    width: 100%;
-    height: 65%;
-    margin-top: 22%;
-}
-
-.calc-text-btn, .calc-op-btn, .calc-equals-btn {
-    border-radius: 16px;
-    height: 106px;
-    width: 18%;
-    font-size: 38px;
-}
-
-.calc-text-btn {
-    background-color: #f2f2f2;
-    color: #000000;
-}
-
-.calc-text-btn:active {
-    background-color: rgb(72, 72, 72);
-}
-
-.calc-op-btn {
-    background-color: #4D3F97E9;
-    color: #FF3F97E9;
-}
-
-.calc-op-btn:active {
-    background-color: rgb(54, 76, 97);
-}
-
-.calc-equals-btn {
-    background-color: #FF006CDE;
-    color: #fff;
-}
-
-.calc-equals-btn:active {
-    background-color: rgb(38, 129, 226);
-}
-
-.calc-btn-row-1 {
-    top: 112px;
-}
-
-.calc-btn-row-2 {
-    top: 226px;
-}
-
-.calc-btn-row-3 {
-    top: 340px;
-}
-
-.calc-btn-row-4 {
-    top: 454px;
-}
-
-.calc-btn-col-1 {
-    left: 3%;
-}
-
-.calc-btn-col-2 {
-    left: 22%;
-}
-
-.calc-btn-col-3 {
-    left: 41%;
-}
-
-.calc-btn-col-4 {
-    left: 60%;
-}
-
-.calc-btn-col-5 {
-    left: 79%;
-}
-
-.calc-btn-row-span-2 {
-    width: 37%;
-}
-
-.calc-btn-col-span-2 {
-    height: 220px;
-}
-
-.calc-icon-row-1 {
-    top: 152px;
-}
-
-.calc-icon-row-2 {
-    top: 266px;
-}
-
-.calc-icon-row-3 {
-    top: 380px;
-}
-
-.calc-icon-row-4 {
-    top: 484px;
-}
-
-.calc-icon-col-1 {
-    left: 69%;
-    transform: translateX(-50%);
-}
-
-.calc-icon-col-2 {
-    left: 88%;
-    transform: translateX(-50%);
-}
-
-
+/*
+ * Copyright (c) 2021 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.
+ */
+
+.calc-container {
+    height: 100%;
+    width: 100%;
+    flex-direction: column;
+}
+
+.calc-icon {
+    width: 36px;
+    height: 36px;
+}
+
+.calc-titlebar {
+    width: 100%;
+    height: 10%;
+}
+
+.calc-back-btn {
+    left: 39px;
+    top: 10px;
+}
+
+.calc-select-device-btn {
+    left:90%;
+    top: 10px;
+}
+
+.calc-select-device-dialog {
+    width: 90%;
+    height: 33%;
+}
+
+.calc-select-device-wrapper {
+    width: 95%;
+    margin-left: 5%;
+    height: 100%;
+    flex-direction: column;
+}
+
+.calc-select-device-item {
+    width: 100%;
+    height: 200px;
+}
+
+.calc-select-device-item-cancel-btn {
+    text-align: center;
+    color: #0000ff;
+}
+
+.calc-select-device-item-title {
+    text-align: left;
+    font-size: 30px;
+}
+
+.calc-select-device-item-left {
+    width: 90%;
+    height: 100%;
+    text-align: left;
+    font-size: 32px;
+}
+
+.calc-select-device-item-right {
+    width: 10%;
+    height: 100%;
+}
+
+.calc-title {
+    left: 96px;
+    font-size: 30px;
+    top: 10px;
+}
+
+.calc-expr, .calc-rsl {
+    padding: 0 3%;
+}
+
+.calc-expr {
+    color: #000000;
+    width: 100%;
+    font-size: 50px;
+    height: 50px;
+    margin-top:10px
+}
+
+.calc-rsl {
+    color: #999;
+    width: 100%;
+    font-size: 38px;
+    height: 40px;
+}
+
+.input-area {
+    width: 100%;
+    height: 65%;
+    margin-top: 10px;
+}
+
+.calc-text-btn, .calc-op-btn, .calc-equals-btn {
+    border-radius: 16px;
+    width: 18%;
+    height: 40px;
+    font-size: 38px;
+}
+
+.calc-text-btn {
+    background-color: #f2f2f2;
+    color: #000000;
+}
+
+.calc-text-btn:active {
+    background-color: rgb(72, 72, 72);
+}
+
+.calc-op-btn {
+    background-color: #4D3F97E9;
+    color: #FF3F97E9;
+}
+
+.calc-op-btn:active {
+    background-color: rgb(54, 76, 97);
+}
+
+.calc-equals-btn {
+    background-color: #FF006CDE;
+    color: #fff;
+}
+
+.calc-equals-btn:active {
+    background-color: rgb(38, 129, 226);
+}
+
+.calc-btn-row-1 {
+    top: 20px;
+}
+
+.calc-btn-row-2 {
+    top: 60px;
+    margin-top: 3px;
+}
+
+.calc-btn-row-3 {
+    top: 100px;
+    margin-top: 6px;
+}
+
+.calc-btn-row-4 {
+    top: 140px;
+    margin-top: 9px;
+}
+
+.calc-btn-col-1 {
+    left: 3%;
+}
+
+.calc-btn-col-2 {
+    left: 22%;
+}
+
+.calc-btn-col-3 {
+    left: 41%;
+}
+
+.calc-btn-col-4 {
+    left: 60%;
+}
+
+.calc-btn-col-5 {
+    left: 79%;
+}
+
+.calc-btn-row-span-2 {
+    width: 37%;
+}
+
+.calc-btn-col-span-2 {
+    height: 86px;
+}
+
+.calc-icon-row-1 {
+    top: 24px;
+}
+
+.calc-icon-row-2 {
+    top: 66px;
+}
+
+.calc-icon-row-3 {
+    top: 110px;
+}
+
+.calc-icon-row-4 {
+    top: 150px;
+}
+
+.calc-icon-col-1 {
+    left: 69%;
+    transform: translateX(-50%);
+}
+
+.calc-icon-col-2 {
+    left: 88%;
+    transform: translateX(-50%);
+}
\ No newline at end of file
diff --git a/common/DistributeCalc/entry/src/main/js/default/pages/index/index.hml b/common/DistributeCalc/entry/src/main/js/default/pages/index/index.hml
index baffadc22af2b3bd9c273ce96f1f78c9365f9d69..56dd42d5c6b87008abd9a776f662bece18b729f6 100644
--- a/common/DistributeCalc/entry/src/main/js/default/pages/index/index.hml
+++ b/common/DistributeCalc/entry/src/main/js/default/pages/index/index.hml
@@ -1,67 +1,91 @@
-<!--
-Copyright (c) 2021 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.
--->
-
-<div class="calc-container" @swipe="showDialog">
-    <stack class="calc-titlebar" >
-        <image class="calc-icon calc-back-btn" src="/common/ic_back.png" @click="handleExist" />
-        <text class="calc-title">
-            {{title}}
-        </text>
-        <image class="calc-icon calc-select-device-btn" @click="showDialog" src="/common/ic_hop_normal.png" />
-    </stack>
-    <text class="calc-expr">
-        {{expression}}
-    </text>
-    <text class="calc-rsl">
-        {{result}}
-    </text>
-    <stack class="input-area">
-        <input class="calc-text-btn calc-btn-row-1 calc-btn-col-1" type="button" value="7" @click="handleInput('7')" />
-        <input class="calc-text-btn calc-btn-row-1 calc-btn-col-2" type="button" value="8" @click="handleInput('8')" />
-        <input class="calc-text-btn calc-btn-row-1 calc-btn-col-3" type="button" value="9" @click="handleInput('9')" />
-        <input class="calc-op-btn calc-btn-row-1 calc-btn-col-4" type="button" value="" @click="handleInput('/')" />
-        <input class="calc-op-btn calc-btn-row-1 calc-btn-col-5" type="button" value="" @click="handleBackspace()" />
-        <input class="calc-text-btn calc-btn-row-2 calc-btn-col-1" type="button" value="4" @click="handleInput('4')" />
-        <input class="calc-text-btn calc-btn-row-2 calc-btn-col-2" type="button" value="5" @click="handleInput('5')" />
-        <input class="calc-text-btn calc-btn-row-2 calc-btn-col-3" type="button" value="6" @click="handleInput('6')" />
-        <input class="calc-op-btn calc-btn-row-2 calc-btn-col-4" type="button" value="" @click="handleInput('*')" />
-        <input class="calc-op-btn calc-btn-row-2 calc-btn-col-5" type="button" value="C" @click="handleClear" />
-        <input class="calc-text-btn calc-btn-row-3 calc-btn-col-1" type="button" value="1" @click="handleInput('1')" />
-        <input class="calc-text-btn calc-btn-row-3 calc-btn-col-2" type="button" value="2" @click="handleInput('2')" />
-        <input class="calc-text-btn calc-btn-row-3 calc-btn-col-3" type="button" value="3" @click="handleInput('3')" />
-        <input class="calc-op-btn calc-btn-row-3 calc-btn-col-4" type="button" value="" @click="handleInput('-')" />
-        <input class="calc-equals-btn calc-btn-row-3 calc-btn-col-5 calc-btn-col-span-2" type="button" value="=" @click="handleEqual" />
-        <input class="calc-text-btn calc-btn-row-4 calc-btn-col-1 calc-btn-row-span-2" type="button" value="0" @click="handleInput('0')" />
-        <input class="calc-text-btn calc-btn-row-4 calc-btn-col-3" type="button" value="." @click="handleInput('.')" />
-        <input class="calc-op-btn calc-btn-row-4 calc-btn-col-4" type="button" value="" @click="handleInput('+')" />
-        <image class="calc-icon calc-icon-row-1 calc-icon-col-1" src="/common/ic_cal_devide.png" @click="handleInput('/')"></image>
-        <image class="calc-icon calc-icon-row-1 calc-icon-col-2" src="/common/ic_cal_delete.png" @click="handleBackspace()"></image>
-        <image class="calc-icon calc-icon-row-2 calc-icon-col-1" src="/common/ic_cal_multiply.png" @click="handleInput('*')"></image>
-        <image class="calc-icon calc-icon-row-3 calc-icon-col-1" src="/common/ic_cal_minus.png" @click="handleInput('-')"></image>
-        <image class="calc-icon calc-icon-row-4 calc-icon-col-1" src="/common/ic_cal_plus.png" @click="handleInput('+')"></image>
-    </stack>
-    <dialog id="showDialog" class="calc-select-device-dialog" oncancel="cancelDialog">
-        <div class="calc-select-device-wrapper">
-            <text class="calc-select-device-item calc-select-device-item-title">选择设备</text>
-            <list class="calc-select-device-item" >
-                <list-item style="width: 100%;height: 50%;" for="{{deviceList}}">
-                    <text class="calc-select-device-item-left">{{$item.deviceName}}</text>
-                    <input class="calc-select-device-item-right" type="radio" name="Device" value="{{$idx}}"  checked="{{$item.checked}}" @change="selectDevice({{$idx}})"></input>
-                </list-item>
-            </list>
-            <text class="calc-select-device-item calc-select-device-item-cancel-btn" @click="cancelDialog">取消</text>
-        </div>
-    </dialog>
-</div>
+<!--
+Copyright (c) 2021 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.
+-->
+
+<div class="calc-container" @swipe="showDialog">
+    <stack class="calc-titlebar">
+        <image class="calc-icon calc-back-btn" src="/common/ic_back.png" @click="handleExist"/>
+        <text class="calc-title">
+            {{ title }}
+        </text>
+        <image class="calc-icon calc-select-device-btn" @click="showDialog" src="/common/ic_hop_normal.png"/>
+    </stack>
+    <text class="calc-expr">
+        {{ expression }}
+    </text>
+    <text class="calc-rsl">
+        {{ result }}
+    </text>
+    <stack class="input-area">
+        <input class="calc-text-btn calc-btn-row-1 calc-btn-col-1" type="button" value="7"
+               @click="handleInput('7')"/>
+        <input class="calc-text-btn calc-btn-row-1 calc-btn-col-2" type="button" value="8"
+               @click="handleInput('8')"/>
+        <input class="calc-text-btn calc-btn-row-1 calc-btn-col-3" type="button" value="9"
+               @click="handleInput('9')"/>
+        <input class="calc-op-btn calc-btn-row-1 calc-btn-col-4" type="button" value=""
+               @click="handleInput('/')"/>
+        <input class="calc-op-btn calc-btn-row-1 calc-btn-col-5" type="button" value=""
+               @click="handleBackspace()"/>
+        <input class="calc-text-btn calc-btn-row-2 calc-btn-col-1" type="button" value="4"
+               @click="handleInput('4')"/>
+        <input class="calc-text-btn calc-btn-row-2 calc-btn-col-2" type="button" value="5"
+               @click="handleInput('5')"/>
+        <input class="calc-text-btn calc-btn-row-2 calc-btn-col-3" type="button" value="6"
+               @click="handleInput('6')"/>
+        <input class="calc-op-btn calc-btn-row-2 calc-btn-col-4" type="button" value=""
+               @click="handleInput('*')"/>
+        <input class="calc-op-btn calc-btn-row-2 calc-btn-col-5" type="button" value="C" @click="handleClear"/>
+        <input class="calc-text-btn calc-btn-row-3 calc-btn-col-1" type="button" value="1"
+               @click="handleInput('1')"/>
+        <input class="calc-text-btn calc-btn-row-3 calc-btn-col-2" type="button" value="2"
+               @click="handleInput('2')"/>
+        <input class="calc-text-btn calc-btn-row-3 calc-btn-col-3" type="button" value="3"
+               @click="handleInput('3')"/>
+        <input class="calc-op-btn calc-btn-row-3 calc-btn-col-4" type="button" value=""
+               @click="handleInput('-')"/>
+        <input class="calc-equals-btn calc-btn-row-3 calc-btn-col-5 calc-btn-col-span-2" type="button" value="="
+               @click="handleEqual"/>
+        <input class="calc-text-btn calc-btn-row-4 calc-btn-col-1 calc-btn-row-span-2" type="button" value="0"
+               @click="handleInput('0')"/>
+        <input class="calc-text-btn calc-btn-row-4 calc-btn-col-3" type="button" value="."
+               @click="handleInput('.')"/>
+        <input class="calc-op-btn calc-btn-row-4 calc-btn-col-4" type="button" value=""
+               @click="handleInput('+')"/>
+        <image class="calc-icon calc-icon-row-1 calc-icon-col-1" src="/common/ic_cal_devide.png"
+               @click="handleInput('/')"></image>
+        <image class="calc-icon calc-icon-row-1 calc-icon-col-2" src="/common/ic_cal_delete.png"
+               @click="handleBackspace()"></image>
+        <image class="calc-icon calc-icon-row-2 calc-icon-col-1" src="/common/ic_cal_multiply.png"
+               @click="handleInput('*')"></image>
+        <image class="calc-icon calc-icon-row-3 calc-icon-col-1" src="/common/ic_cal_minus.png"
+               @click="handleInput('-')"></image>
+        <image class="calc-icon calc-icon-row-4 calc-icon-col-1" src="/common/ic_cal_plus.png"
+               @click="handleInput('+')"></image>
+    </stack>
+    <dialog id="showDialog" class="calc-select-device-dialog" oncancel="cancelDialog">
+        <div class="calc-select-device-wrapper">
+            <text class="calc-select-device-item calc-select-device-item-title">选择设备</text>
+            <list class="calc-select-device-item">
+                <list-item style="width : 100%;" for="{{ deviceList }}">
+                    <text class="calc-select-device-item-left">{{ $item.deviceName }}</text>
+                    <input class="calc-select-device-item-right" type="radio" name="Device" value="{{ $idx }}"
+                           checked="{{ $item.checked }}" @change="selectDevice({{ $idx }})"></input>
+                </list-item>
+            </list>
+            <text class="calc-select-device-item calc-select-device-item-cancel-btn" @click="cancelDialog">取消
+            </text>
+        </div>
+    </dialog>
+</div>
\ No newline at end of file