diff --git a/interfaces/kits/picker/picker.js b/interfaces/kits/picker/picker.js
index 88beed41e55d91fe423a0c074b0febaf2d62edc5..1ef2f981a8a89df8d3f766537add4c01cffc362f 100644
--- a/interfaces/kits/picker/picker.js
+++ b/interfaces/kits/picker/picker.js
@@ -285,6 +285,32 @@ function getDocumentPickerSelectResult(args) {
   return selectResult;
 }
 
+function connectServiceExtensionAbility(context) {
+  let want = {
+    deviceId: '',
+    bundleName: 'com.huawei.hmos.filemanager',
+    abilityName: 'PickerServiceExtAbility'
+  };
+  let options = {
+    onConnect(elementName) {
+      console.info('onConnect: ' + elementName.bundleName);
+    },
+    onDisconnect(elementName) {
+      console.info('onDisconnect: ' + elementName.bundleName);
+    },
+    onFailed(code) {
+      console.info('onFailed: ' + code);
+    }
+  };
+  try {
+    context.connectServiceExtensionAbility(want, options);
+  } catch (err) {
+    let code = err.code;
+    let message = err.message;
+    console.error('connectServiceExtensionAbility failed, code is ' + code + 'message is ' + message);
+  }
+}
+
 async function documentPickerSelect(...args) {
   let checkDocumentSelectArgsResult = checkArguments(args);
   if (checkDocumentSelectArgsResult !== undefined) {
@@ -306,6 +332,7 @@ async function documentPickerSelect(...args) {
     if (documentSelectContext === undefined) {
       throw getErr(ErrCode.CONTEXT_NO_EXIST);
     }
+    connectServiceExtensionAbility(documentSelectContext);
     documentSelectConfig = parseDocumentPickerSelectOption(args, ACTION.SELECT_ACTION_MODAL);
     documentSelectResult = await documentSelectContext.requestDialogService(documentSelectConfig);
   } catch (paramError) {
@@ -476,6 +503,7 @@ async function documentPickerSave(...args) {
       if (documentSaveContext === undefined) {
         throw getErr(ErrCode.CONTEXT_NO_EXIST);
       }
+      connectServiceExtensionAbility(documentSaveContext);
       documentSaveConfig = parseDocumentPickerSaveOption(args, ACTION.SAVE_ACTION_MODAL);
       documentSaveResult = await documentSaveContext.requestDialogService(documentSaveConfig);
     } catch (paramError) {