diff --git a/changelog.md b/changelog.md
index 2ae592e59ecdb0e2381515a2000ce0f93528c049..5a204c7fc0206780d1847058a1922bc48f5f2a7f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,7 +1,7 @@
 ## 2.1.1-rc.0
 
 1、添加中英文README.md修改以及demo国际化处理
-2、loadTextPullUp1、loadTextPullUp2、loadTextLoading、loadText等接口类型修改为 "string | Resource"
+2、loadTextPullUp1、loadTextPullUp2、loadTextLoading、loadText等接口类型修改为 "ResourceStr"
 
 ## 2.1.0
 
diff --git a/entry/src/main/ets/pages/customConfig.ets b/entry/src/main/ets/pages/customConfig.ets
index a4df307d6556dd1bf15ce19daafd17b32a222c88..678d89591c70b4d84dbc23d21c1c550cd1066b91 100644
--- a/entry/src/main/ets/pages/customConfig.ets
+++ b/entry/src/main/ets/pages/customConfig.ets
@@ -17,13 +17,16 @@ import { PullToRefresh, PullToRefreshConfigurator } from '@ohos/pulltorefresh'
 @Entry
 @ComponentV2
 struct Index {
-  private dataNumbers:Array<string| Resource> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
-  private dataStrings: Array<string| Resource> =
-    [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"), $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"), $r("app.string.Settings"), $r("app.string.LogOut")];
-  @Local data: Array<string| Resource> = this.dataStrings;
+  private dataNumbers: Array<ResourceStr> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
+  private dataStrings: Array<ResourceStr> =
+    [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"),
+      $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"),
+      $r("app.string.Settings"), $r("app.string.LogOut")];
+  @Local data: Array<ResourceStr> = this.dataStrings;
   private scroller: Scroller = new Scroller();
   private refreshConfigurator: PullToRefreshConfigurator = new PullToRefreshConfigurator();
-  private getResourceString(res:Resource){
+
+  private getResourceString(res: Resource) {
     return getContext().resourceManager.getStringSync(res.id)
   }
 
@@ -48,7 +51,7 @@ struct Index {
       .setLoadTextSize(25)// 上拉文本的字体大小
       .setLoadTextPullUp1(this.getResourceString($r("app.string.Please_continue_pull_up")))// 上拉1阶段文本
       .setLoadTextPullUp2(this.getResourceString($r("app.string.Release_refresh")))// 上拉2阶段文本
-      .setLoadTextLoading(this.getResourceString($r("app.string.Loading"))) // 上拉加载更多中时的文本
+      .setLoadTextLoading(this.getResourceString($r("app.string.Loading")))// 上拉加载更多中时的文本
       .setRefreshCompleteTextHoldTime(500) //上拉刷新后停留的时间, 默认一秒, 建议设置500
   }
 
@@ -86,7 +89,7 @@ struct Index {
             // 模拟网络请求操作，请求网络2秒后得到数据，通知组件，变更列表数据
             setTimeout(() => {
               resolve('');
-              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${ this.data.length}`);
+              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${this.data.length}`);
             }, 2000);
           });
         },
diff --git a/entry/src/main/ets/pages/customRefreshAnim.ets b/entry/src/main/ets/pages/customRefreshAnim.ets
index d2d20ca209a15854be044c44e56c645848f0ac38..2db9c3a3770b8f17e92416f97a64cff52eace1f6 100644
--- a/entry/src/main/ets/pages/customRefreshAnim.ets
+++ b/entry/src/main/ets/pages/customRefreshAnim.ets
@@ -20,16 +20,20 @@ const pointJitterAmplitude = 10;
 @Entry
 @ComponentV2
 struct Index {
-  private dataNumbers: Array<string| Resource> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
-  private dataStrings: Array<string| Resource> = [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"), $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"), $r("app.string.Settings"), $r("app.string.LogOut")];
-  @Local  data: Array<string| Resource> = this.dataStrings;
+  private dataNumbers: Array<ResourceStr> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
+  private dataStrings: Array<ResourceStr> =
+    [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"),
+      $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"),
+      $r("app.string.Settings"), $r("app.string.LogOut")];
+  @Local data: Array<ResourceStr> = this.dataStrings;
   private scroller: Scroller = new Scroller();
   private refreshConfigurator: PullToRefreshConfigurator = new PullToRefreshConfigurator();
   private canvasSetting: RenderingContextSettings = new RenderingContextSettings(true);
   private canvasRefresh: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.canvasSetting);
   private value1: number[] = [];
   private value2: number[] = [];
-  private getResourceString(res:Resource){
+
+  private getResourceString(res: Resource) {
     return getContext().resourceManager.getStringSync(res.id)
   }
 
@@ -69,7 +73,7 @@ struct Index {
             // 模拟网络请求操作，请求网络2秒后得到数据，通知组件，变更列表数据
             setTimeout(() => {
               resolve('');
-              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${ this.data.length}`);
+              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${this.data.length}`);
             }, 2000);
           });
         },
diff --git a/entry/src/main/ets/pages/fullScreen.ets b/entry/src/main/ets/pages/fullScreen.ets
index b7c7ed4407393ccc975b04a1087e3b3408efa81a..bf36f6d21c4e9380dff273844f6e01bd577b6acc 100644
--- a/entry/src/main/ets/pages/fullScreen.ets
+++ b/entry/src/main/ets/pages/fullScreen.ets
@@ -17,12 +17,16 @@ import { PullToRefresh } from '@ohos/pulltorefresh'
 @Entry
 @ComponentV2
 struct Index {
-  private dataNumbers: Array<string| Resource> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
-  private dataStrings: Array<string| Resource> = [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"), $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"), $r("app.string.Settings"), $r("app.string.LogOut")];
-  @Local  data: Array<string| Resource> = this.dataStrings;
+  private dataNumbers: Array<ResourceStr> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
+  private dataStrings: Array<ResourceStr> =
+    [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"),
+      $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"),
+      $r("app.string.Settings"), $r("app.string.LogOut")];
+  @Local data: Array<ResourceStr> = this.dataStrings;
   // 需绑定列表或宫格组件
   private scroller: Scroller = new Scroller();
-  private getResourceString(res:Resource){
+
+  private getResourceString(res: Resource) {
     return getContext().resourceManager.getStringSync(res.id)
   }
 
@@ -43,7 +47,7 @@ struct Index {
           return new Promise<string>((resolve, reject) => {
             // 模拟网络请求操作，请求网络2秒后得到数据，通知组件，变更列表数据
             setTimeout(() => {
-              resolve('刷新成功');
+              resolve(this.getResourceString($r("app.string.RefreshSuccessful")));
               this.data = [...this.dataNumbers];
             }, 2000);
           });
@@ -54,7 +58,7 @@ struct Index {
             // 模拟网络请求操作，请求网络2秒后得到数据，通知组件，变更列表数据
             setTimeout(() => {
               resolve('');
-              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${ this.data.length}`);
+              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${this.data.length}`);
             }, 2000);
           });
         },
diff --git a/entry/src/main/ets/pages/lazyForEachGuide.ets b/entry/src/main/ets/pages/lazyForEachGuide.ets
index 71da16bf452a3a7a48d2cf0ff3e8c62f0dc41cf6..e679a4f0f836e240dc132f4acfff41a940613d08 100644
--- a/entry/src/main/ets/pages/lazyForEachGuide.ets
+++ b/entry/src/main/ets/pages/lazyForEachGuide.ets
@@ -110,7 +110,8 @@ struct MyComponent {
   // 需绑定列表或宫格组件
   private scroller: Scroller = new Scroller();
   private timer: null | number = null;
-  private getResourceString(res:Resource){
+
+  private getResourceString(res: Resource) {
     return getContext().resourceManager.getStringSync(res.id)
   }
 
diff --git a/entry/src/main/ets/pages/quickStart.ets b/entry/src/main/ets/pages/quickStart.ets
index 4dbc9ef1ac16953079a711304238d5e1a2111ee3..eb35e5377653f67e7d9b6a7bf6e882c1cfbce29b 100644
--- a/entry/src/main/ets/pages/quickStart.ets
+++ b/entry/src/main/ets/pages/quickStart.ets
@@ -17,12 +17,16 @@ import { PullToRefresh } from '@ohos/pulltorefresh'
 @Entry
 @ComponentV2
 struct Index {
-  private dataNumbers: Array<string| Resource> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
-  private dataStrings: Array<string| Resource> = [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"), $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"), $r("app.string.Settings"), $r("app.string.LogOut")];
-  @Local  data: Array<string| Resource> = this.dataStrings;
+  private dataNumbers: Array<ResourceStr> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
+  private dataStrings: Array<ResourceStr> =
+    [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"),
+      $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"),
+      $r("app.string.Settings"), $r("app.string.LogOut")];
+  @Local data: Array<ResourceStr> = this.dataStrings;
   // 需绑定列表或宫格组件
   private scroller: Scroller = new Scroller();
-  private getResourceString(res:Resource){
+
+  private getResourceString(res: Resource) {
     return getContext().resourceManager.getStringSync(res.id)
   }
 
@@ -54,7 +58,7 @@ struct Index {
             // 模拟网络请求操作，请求网络2秒后得到数据，通知组件，变更列表数据
             setTimeout(() => {
               resolve('');
-              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${ this.data.length}`);
+              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${this.data.length}`);
             }, 2000);
           });
         },
diff --git a/entry/src/main/ets/pages/tabsTestPage.ets b/entry/src/main/ets/pages/tabsTestPage.ets
index 12808076343031cd0eac0957ffebf5feca597772..993290783a3f04e11630fc377c73dc1e12c0aadf 100644
--- a/entry/src/main/ets/pages/tabsTestPage.ets
+++ b/entry/src/main/ets/pages/tabsTestPage.ets
@@ -22,7 +22,8 @@ struct TabsExample {
   @Local currentIndex: number = 0
   private controller: TabsController = new TabsController()
 
-  @Builder TabBuilder(index: number, name: string) {
+  @Builder
+  TabBuilder(index: number, name: string) {
     Column() {
       Text(name)
         .fontColor(this.currentIndex === index ? this.selectedFontColor : this.fontColor)
@@ -74,12 +75,16 @@ struct TabsExample {
 
 @ComponentV2
 struct PullToRefreshDemo {
-  private dataNumbers: Array<string| Resource> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
-  private dataStrings: Array<string| Resource> = [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"), $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"), $r("app.string.Settings"), $r("app.string.LogOut")];
-  @Local  data: Array<string| Resource> = this.dataStrings;
+  private dataNumbers: Array<ResourceStr> = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];
+  private dataStrings: Array<ResourceStr> =
+    [$r("app.string.MyComments"), $r("app.string.RelatedToMe"), $r("app.string.PersonalCenter1"),
+      $r("app.string.PersonalCenter2"), $r("app.string.PersonalCenter3"), $r("app.string.MyReleases"),
+      $r("app.string.Settings"), $r("app.string.LogOut")];
+  @Local data: Array<ResourceStr> = this.dataStrings;
   // 需绑定列表或宫格组件
   private scroller: Scroller = new Scroller();
-  private getResourceString(res:Resource){
+
+  private getResourceString(res: Resource) {
     return getContext().resourceManager.getStringSync(res.id)
   }
 
@@ -111,7 +116,7 @@ struct PullToRefreshDemo {
             // 模拟网络请求操作，请求网络2秒后得到数据，通知组件，变更列表数据
             setTimeout(() => {
               resolve('');
-              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${ this.data.length}`)
+              this.data.push(`${this.getResourceString($r("app.string.AddedEntry"))} ${this.data.length}`)
             }, 2000);
           });
         },
diff --git a/library/src/main/ets/components/PullToRefresh/PullToRefresh.ets b/library/src/main/ets/components/PullToRefresh/PullToRefresh.ets
index ec93f9ff0dc3a9d9fa32bd970881185c1835ab4e..da6648d5b3963ab855f977926143048dded74e80 100644
--- a/library/src/main/ets/components/PullToRefresh/PullToRefresh.ets
+++ b/library/src/main/ets/components/PullToRefresh/PullToRefresh.ets
@@ -60,7 +60,7 @@ export struct PullToRefresh {
   @Local private trYBottom?: number = 0;
   @Local private state?: number = IS_FREE;
   @Local private refreshText?: string = '';
-  @Local private loadText?: string | Resource = '';
+  @Local private loadText?: ResourceStr = '';
   @Local private angle1?: number | string = 0;
   @Local private angle2?: number | string = 0;
   private mWidthNumber?: number = 0;
diff --git a/library/src/main/ets/components/PullToRefresh/PullToRefreshConfigurator.ets b/library/src/main/ets/components/PullToRefresh/PullToRefreshConfigurator.ets
index 57b5af9b228d7a8644e2b146b9e6a5e351cb1b84..7ba4c887112ba92971c61604cb166490ea87f4a6 100644
--- a/library/src/main/ets/components/PullToRefresh/PullToRefreshConfigurator.ets
+++ b/library/src/main/ets/components/PullToRefresh/PullToRefreshConfigurator.ets
@@ -30,9 +30,9 @@ export class PullToRefreshConfigurator {
   private loadBackgroundColor?: ResourceColor = 'rgba(0,0,0,0)'; // 上拉动画区域背景色
   private loadTextColor?: ResourceColor = '#999999'; // 上拉文本的字体颜色
   private loadTextSize?: number | string | Resource = 18; // 上拉文本的字体大小
-  private loadTextPullUp1?: string | Resource = $r("app.string.Refreshing"); // 上拉1阶段文本
-  private loadTextPullUp2?: string | Resource = $r("app.string.ReleaseToRefresh"); // 上拉2阶段文本
-  private loadTextLoading?: string | Resource = $r("app.string.Loading"); // 上拉加载更多中时的文本
+  private loadTextPullUp1?: ResourceStr = $r("app.string.Refreshing"); // 上拉1阶段文本
+  private loadTextPullUp2?: ResourceStr = $r("app.string.ReleaseToRefresh"); // 上拉2阶段文本
+  private loadTextLoading?: ResourceStr = $r("app.string.Loading_at_risk"); // 上拉加载更多中时的文本
 
   setHasRefresh(hasRefresh: boolean) {
     this.hasRefresh = hasRefresh;
@@ -203,7 +203,7 @@ export class PullToRefreshConfigurator {
     return 0;
   }
 
-  setLoadTextPullUp1(loadTextPullUp1: string | Resource) {
+  setLoadTextPullUp1(loadTextPullUp1: ResourceStr) {
     this.loadTextPullUp1 = loadTextPullUp1;
     return this;
   }
@@ -212,7 +212,7 @@ export class PullToRefreshConfigurator {
     return this.loadTextPullUp1;
   }
 
-  setLoadTextPullUp2(loadTextPullUp2: string | Resource) {
+  setLoadTextPullUp2(loadTextPullUp2: ResourceStr) {
     this.loadTextPullUp2 = loadTextPullUp2;
     return this;
   }
@@ -221,12 +221,12 @@ export class PullToRefreshConfigurator {
     return this.loadTextPullUp2;
   }
 
-  setLoadTextLoading(loadTextLoading: string | Resource) {
+  setLoadTextLoading(loadTextLoading: ResourceStr) {
     this.loadTextLoading = loadTextLoading;
     return this;
   }
 
-  getLoadTextLoading(): string | Resource {
+  getLoadTextLoading(): ResourceStr {
     return this.loadTextLoading !== undefined ? this.loadTextLoading : "";
   }
 }
\ No newline at end of file
diff --git a/library/src/main/resources/base/element/string.json b/library/src/main/resources/base/element/string.json
index 8495bf54dd3d650170fd8300fc77ec8e5695c396..258634a460f13d8b96e67cbcd00ac75e56716a63 100644
--- a/library/src/main/resources/base/element/string.json
+++ b/library/src/main/resources/base/element/string.json
@@ -21,7 +21,7 @@
       "value": "Release to refresh"
     },
     {
-      "name": "Loading",
+      "name": "Loading_at_risk",
       "value": "Loading..."
     }
   ]
diff --git a/library/src/main/resources/zh_CN/element/string.json b/library/src/main/resources/zh_CN/element/string.json
index c07cd095f1237bb12b643b02498e14f7c4600ef9..c8e350fb4b50603c45637f4574df54278aadb823 100644
--- a/library/src/main/resources/zh_CN/element/string.json
+++ b/library/src/main/resources/zh_CN/element/string.json
@@ -17,7 +17,7 @@
       "value": "放开刷新"
     },
     {
-      "name": "Loading",
+      "name": "Loading_at_risk",
       "value": "正在玩命加载中..."
     }
   ]
diff --git a/oh-package.json5 b/oh-package.json5
index 500f7e49146bb425fbf8255661f5fe35dddd463e..037c84d11aff21cd0ee71b1f3541d7486b9f55aa 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -1,4 +1,5 @@
 {
+  "modelVersion": "5.0.0",
   "license": "ISC",
   "devDependencies": {
     "@ohos/hypium": "1.0.6"