diff --git a/packages/types-datasource/.eslintignore b/packages/datasource-types/.eslintignore
similarity index 100%
rename from packages/types-datasource/.eslintignore
rename to packages/datasource-types/.eslintignore
diff --git a/packages/types-datasource/.eslintrc.js b/packages/datasource-types/.eslintrc.js
similarity index 100%
rename from packages/types-datasource/.eslintrc.js
rename to packages/datasource-types/.eslintrc.js
diff --git a/packages/types-datasource/.prettierrc.js b/packages/datasource-types/.prettierrc.js
similarity index 100%
rename from packages/types-datasource/.prettierrc.js
rename to packages/datasource-types/.prettierrc.js
diff --git a/packages/types-datasource/CHANGELOG.md b/packages/datasource-types/CHANGELOG.md
similarity index 100%
rename from packages/types-datasource/CHANGELOG.md
rename to packages/datasource-types/CHANGELOG.md
diff --git a/packages/types-datasource/package.json b/packages/datasource-types/package.json
similarity index 100%
rename from packages/types-datasource/package.json
rename to packages/datasource-types/package.json
diff --git a/packages/types-datasource/src/data-source-handlers.ts b/packages/datasource-types/src/data-source-handlers.ts
similarity index 100%
rename from packages/types-datasource/src/data-source-handlers.ts
rename to packages/datasource-types/src/data-source-handlers.ts
diff --git a/packages/types-datasource/src/data-source-interpret.ts b/packages/datasource-types/src/data-source-interpret.ts
similarity index 100%
rename from packages/types-datasource/src/data-source-interpret.ts
rename to packages/datasource-types/src/data-source-interpret.ts
diff --git a/packages/types-datasource/src/data-source-runtime.ts b/packages/datasource-types/src/data-source-runtime.ts
similarity index 100%
rename from packages/types-datasource/src/data-source-runtime.ts
rename to packages/datasource-types/src/data-source-runtime.ts
diff --git a/packages/types-datasource/src/data-source.ts b/packages/datasource-types/src/data-source.ts
similarity index 100%
rename from packages/types-datasource/src/data-source.ts
rename to packages/datasource-types/src/data-source.ts
diff --git a/packages/types-datasource/src/index.ts b/packages/datasource-types/src/index.ts
similarity index 100%
rename from packages/types-datasource/src/index.ts
rename to packages/datasource-types/src/index.ts
diff --git a/packages/types-datasource/src/value-type.ts b/packages/datasource-types/src/value-type.ts
similarity index 100%
rename from packages/types-datasource/src/value-type.ts
rename to packages/datasource-types/src/value-type.ts
diff --git a/packages/types-datasource/tsconfig.json b/packages/datasource-types/tsconfig.json
similarity index 100%
rename from packages/types-datasource/tsconfig.json
rename to packages/datasource-types/tsconfig.json
diff --git a/packages/demo/public/schema.json b/packages/demo/public/schema.json
index ea405f970..4d15c5f83 100644
--- a/packages/demo/public/schema.json
+++ b/packages/demo/public/schema.json
@@ -11,6 +11,19 @@
     "fileName": "test",
     "dataSource": {
       "list": [
+        {
+          "type": "fetch",
+          "id": "请求商家数据，是一个 HTTP 请求，是一个 HTTP 请求，是一个 HTTP 请求",
+          "isInit": true,
+          "options": {
+            "uri": "https://www.taobao.com",
+            "params": {
+              "a": 1,
+              "b": true,
+              "c": "3"
+            }
+          }
+        }
       ]
     },
     "state": {
diff --git a/packages/designer/src/builtin-simulator/host.ts b/packages/designer/src/builtin-simulator/host.ts
index 5d6158198..b6da3333d 100644
--- a/packages/designer/src/builtin-simulator/host.ts
+++ b/packages/designer/src/builtin-simulator/host.ts
@@ -135,6 +135,12 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     return this.get('designMode') || 'design';
   }
 
+  @computed get requestHandlersMap(): any {
+    // renderer 依赖
+    // TODO: 需要根据 design mode 不同切换鼠标响应情况
+    return this.get('requestHandlersMap') || null;
+  }
+
   @computed get componentsAsset(): Asset | undefined {
     return this.get('componentsAsset');
   }
diff --git a/packages/plugin-designer/src/index.tsx b/packages/plugin-designer/src/index.tsx
index c7ae58ae3..f59619049 100644
--- a/packages/plugin-designer/src/index.tsx
+++ b/packages/plugin-designer/src/index.tsx
@@ -15,6 +15,7 @@ interface DesignerPluginState {
   renderEnv?: string;
   device?: string;
   simulatorUrl: Asset | null;
+  requestHandlersMap: any;
 }
 
 export default class DesignerPlugin extends PureComponent<PluginProps, DesignerPluginState> {
@@ -27,6 +28,7 @@ export default class DesignerPlugin extends PureComponent<PluginProps, DesignerP
     renderEnv: 'default',
     device: 'default',
     simulatorUrl: null,
+    requestHandlersMap: null,
   };
 
   private _mounted = true;
@@ -43,6 +45,8 @@ export default class DesignerPlugin extends PureComponent<PluginProps, DesignerP
       const renderEnv = await editor.get('renderEnv');
       const device = await editor.get('device');
       const simulatorUrl = await editor.get('simulatorUrl');
+      // @TODO setupAssets 里设置 requestHandlersMap 不太合适
+      const requestHandlersMap = await editor.get('requestHandlersMap');
       if (!this._mounted) {
         return;
       }
@@ -54,6 +58,7 @@ export default class DesignerPlugin extends PureComponent<PluginProps, DesignerP
         renderEnv,
         device,
         simulatorUrl,
+        requestHandlersMap,
       };
       this.setState(state);
     } catch (e) {
@@ -76,7 +81,7 @@ export default class DesignerPlugin extends PureComponent<PluginProps, DesignerP
 
   render(): React.ReactNode {
     const { editor } = this.props;
-    const { componentMetadatas, library, extraEnvironment, renderEnv, device, simulatorUrl } = this.state;
+    const { componentMetadatas, library, extraEnvironment, renderEnv, device, simulatorUrl, requestHandlersMap } = this.state;
     if (!library || !componentMetadatas) {
       // TODO: use a Loading
       return null;
@@ -95,6 +100,7 @@ export default class DesignerPlugin extends PureComponent<PluginProps, DesignerP
           renderEnv,
           device,
           simulatorUrl,
+          requestHandlersMap,
         }}
       />
     );
diff --git a/packages/rax-render/src/engine/base.tsx b/packages/rax-render/src/engine/base.tsx
index 1e462df2e..c4d970bf3 100644
--- a/packages/rax-render/src/engine/base.tsx
+++ b/packages/rax-render/src/engine/base.tsx
@@ -178,9 +178,10 @@ export default class BaseEngine extends Component {
       });
     }
     // 设置容器组件占位，若设置占位则在初始异步请求完成之前用loading占位且不渲染容器组件内部内容
-    if (this.__parseData(schema.props && schema.props.autoLoading)) {
+    // @TODO __showPlaceholder 的逻辑一旦开启就关不掉，先注释掉了
+    /* if (this.__parseData(schema.props && schema.props.autoLoading)) {
       this.__showPlaceholder = (dataSource.list || []).some((item) => !!this.__parseData(item.isInit));
-    }
+    } */
   };
 
   __render = () => {
diff --git a/packages/react-renderer/src/renderer/base.tsx b/packages/react-renderer/src/renderer/base.tsx
index d72b6e429..9daa4d0c2 100644
--- a/packages/react-renderer/src/renderer/base.tsx
+++ b/packages/react-renderer/src/renderer/base.tsx
@@ -156,6 +156,7 @@ export default class BaseRender extends PureComponent {
         this.__showPlaceholder = true;
         reloadDataSource().then(() => {
           this.__showPlaceholder = false;
+          // this.forceUpdate();
           // @TODO 是否需要 forceUpate
           resolve();
         });
@@ -190,9 +191,10 @@ export default class BaseRender extends PureComponent {
       });
     }
     // 设置容器组件占位，若设置占位则在初始异步请求完成之前用loading占位且不渲染容器组件内部内容
-    this.__showPlaceholder = this.__parseData(schema.props && schema.props.autoLoading) && (dataSource.list || []).some(
+    // @TODO __showPlaceholder 的逻辑一旦开启就关不掉，先注释掉了
+    /* this.__showPlaceholder = this.__parseData(schema.props && schema.props.autoLoading) && (dataSource.list || []).some(
       (item) => !!this.__parseData(item.isInit),
-    );
+    ); */
   };
 
   __render = () => {
diff --git a/packages/react-simulator-renderer/src/renderer-view.tsx b/packages/react-simulator-renderer/src/renderer-view.tsx
index c635cb64b..0587d8f51 100644
--- a/packages/react-simulator-renderer/src/renderer-view.tsx
+++ b/packages/react-simulator-renderer/src/renderer-view.tsx
@@ -98,14 +98,14 @@ class Renderer extends Component<{ renderer: SimulatorRenderer }> {
 
   render() {
     const { renderer } = this.props;
-    const { device, designMode } = renderer;
+    const { device, designMode, requestHandlersMap } = renderer;
     return (
       <LowCodeRenderer
         schema={renderer.schema}
         components={renderer.components}
         appHelper={renderer.context}
         // context={renderer.context}
-        requestHandlersMap={host.requestHandlersMap}
+        requestHandlersMap={requestHandlersMap}
         designMode={designMode}
         device={device}
         suspended={renderer.suspended}
diff --git a/packages/react-simulator-renderer/src/renderer.ts b/packages/react-simulator-renderer/src/renderer.ts
index 35d53b161..54e99bb80 100644
--- a/packages/react-simulator-renderer/src/renderer.ts
+++ b/packages/react-simulator-renderer/src/renderer.ts
@@ -48,6 +48,8 @@ export class SimulatorRenderer implements BuiltinSimulatorRenderer {
       // sync designMode
       this._designMode = host.designMode;
 
+      this._requestHandlersMap = host.requestHandlersMap;
+
       // sync suspended
 
       // sync scope
@@ -114,6 +116,12 @@ export class SimulatorRenderer implements BuiltinSimulatorRenderer {
     return this._designMode;
   }
 
+  @obx.ref private _requestHandlersMap = null;
+
+  @computed get requestHandlersMap(): any {
+    return this._requestHandlersMap;
+  }
+
   @obx.ref private _device = 'default';
 
   @computed get device() {