diff --git a/apps/lib/app/app.dart b/apps/lib/app/app.dart
index 03dc486..7cc1156 100644
--- a/apps/lib/app/app.dart
+++ b/apps/lib/app/app.dart
@@ -300,7 +300,11 @@ class _EryaoAppState extends State<EryaoApp> {
       if (!mounted) {
         return;
       }
+      final serverLanguage = profile.preferences.interfaceLanguage;
+      final serverLocale = localeFromLanguageTag(serverLanguage);
+      await _sessionStore.saveLocaleTag(serverLanguage);
       setState(() {
+        _locale = serverLocale;
         _profileSettings = profile;
         _loadedProfileUserEmail = userEmail;
       });
diff --git a/backend/src/core/agentscope/runtime/runner.py b/backend/src/core/agentscope/runtime/runner.py
index af65c96..a39e960 100644
--- a/backend/src/core/agentscope/runtime/runner.py
+++ b/backend/src/core/agentscope/runtime/runner.py
@@ -324,8 +324,7 @@ class AgentScopeRunner:
         if derived_divination is not None:
             user_text = build_divination_user_prompt(derived=derived_divination)
         else:
-            _, latest_user_text = extract_latest_user_payload(run_input)
-            user_text = latest_user_text
+            user_text, _ = extract_latest_user_payload(run_input)
 
         if derived_divination is not None and context_messages:
             last = context_messages[-1]
@@ -342,17 +341,7 @@ class AgentScopeRunner:
             if last.role == "user":
                 return context_messages
 
-        user_blocks = [{"type": "text", "text": user_text}]
-        if (
-            user_blocks
-            and isinstance(user_blocks[0], dict)
-            and user_blocks[0].get("type") == "text"
-        ):
-            content: Any = user_text
-        else:
-            content = user_blocks
-
-        user_msg = Msg(name="user", role="user", content=content)
+        user_msg = Msg(name="user", role="user", content=user_text)
         return [*context_messages, user_msg]
 
     @staticmethod
diff --git a/backend/src/v1/users/repository.py b/backend/src/v1/users/repository.py
index 61a1a36..0ab7df1 100644
--- a/backend/src/v1/users/repository.py
+++ b/backend/src/v1/users/repository.py
@@ -41,7 +41,7 @@ class SQLAlchemyUserRepository:
     async def delete_invite_codes_by_owner_id(self, *, user_id: UUID) -> int:
         stmt = delete(InviteCode).where(InviteCode.owner_id == user_id)
         result = await self.session.execute(stmt)
-        return int(result.rowcount or 0)
+        return result.rowcount  # pyright: ignore[reportAttributeAccessIssue]
 
     async def delete_points_audit_snapshots(
         self,
@@ -61,4 +61,4 @@ class SQLAlchemyUserRepository:
                 PointsAuditLedger.user_id_snapshot == user_id
             )
         result = await self.session.execute(stmt)
-        return int(result.rowcount or 0)
+        return result.rowcount  # pyright: ignore[reportAttributeAccessIssue]