diff --git a/build-profile.json5 b/build-profile.json5
index 399ad9a3785bba0fe922ca9403d3de44c95943f9..3960d81c9a3460a2a785876d7f8a4b55a752bd78 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -19,9 +19,9 @@
       {
         "name": "default",
         "signingConfig": "default",
-        "compileSdkVersion": 18,
-        "compatibleSdkVersion": 18,
-        "targetSdkVersion": 18,
+        "compileSdkVersion": 20,
+        "compatibleSdkVersion": 20,
+        "targetSdkVersion": 20,
         "runtimeOS": "OpenHarmony"
       }
     ]
diff --git a/permissionmanager/src/main/ets/ServiceExtAbility/GrantDialogModel.ets b/permissionmanager/src/main/ets/ServiceExtAbility/GrantDialogModel.ets
index 619499a7bb2b5a154561f536851d4aad7fbe631c..6f0f1aae631b559ba98f904c33a975b59bb644b1 100644
--- a/permissionmanager/src/main/ets/ServiceExtAbility/GrantDialogModel.ets
+++ b/permissionmanager/src/main/ets/ServiceExtAbility/GrantDialogModel.ets
@@ -294,7 +294,7 @@ export class GrantDialogModel extends BaseModel {
     let systemPasteboardDataSource: string = '';
     try {
       let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
-      let data: string = systemPasteboard.getDataSource();
+      let data = systemPasteboard.getDataSource();
       systemPasteboardDataSource = data || '';
     } catch (error) {
       Log.error(`getSystemPasteboard faild, code: ${error.code}, message: ${error.message}.`);