diff --git a/dbgpt/serve/agent/app/controller.py b/dbgpt/serve/agent/app/controller.py
index c57df1e96..4a914bc34 100644
--- a/dbgpt/serve/agent/app/controller.py
+++ b/dbgpt/serve/agent/app/controller.py
@@ -15,6 +15,7 @@
     GptsAppCollectionDao,
     GptsAppDao,
     GptsAppQuery,
+    GptsAppResponse,
 )
 from dbgpt.serve.agent.hub.plugin_hub import plugin_hub
 from dbgpt.serve.agent.team.base import TeamMode
@@ -36,7 +37,7 @@ async def create(gpts_app: GptsApp):
         return Result.failed(code="E000X", msg=f"create app error: {ex}")
 
 
-@router.post("/v1/app/list")
+@router.post("/v1/app/list", response_model=Result[GptsAppResponse])
 async def app_list(query: GptsAppQuery):
     try:
         return Result.succ(gpts_dao.app_list(query, True))
@@ -137,7 +138,7 @@ async def llm_strategy_values(type: str):
         )
 
 
-@router.get("/v1/app/resources/list", response_model=Result[str])
+@router.get("/v1/app/resources/list", response_model=Result[list[str]])
 async def app_resources(
     type: str, name: str = None, user_code: str = None, sys_code: str = None
 ):
diff --git a/dbgpt/serve/agent/db/gpts_app.py b/dbgpt/serve/agent/db/gpts_app.py
index b3f7b32be..b2d00a69d 100644
--- a/dbgpt/serve/agent/db/gpts_app.py
+++ b/dbgpt/serve/agent/db/gpts_app.py
@@ -7,7 +7,13 @@
 
 from sqlalchemy import Column, DateTime, Integer, String, Text, UniqueConstraint
 
-from dbgpt._private.pydantic import BaseModel, ConfigDict, Field, model_to_json
+from dbgpt._private.pydantic import (
+    BaseModel,
+    ConfigDict,
+    Field,
+    model_to_json,
+    model_validator,
+)
 from dbgpt.agent.plan.awel.team_awel_layout import AWELTeamContext
 from dbgpt.agent.resource.resource_api import AgentResource
 from dbgpt.serve.agent.team.base import TeamMode
@@ -129,11 +135,20 @@ def from_dict(cls, d: Dict[str, Any]):
             details=d.get("details", None),
         )
 
+    @model_validator(mode="before")
+    @classmethod
+    def pre_fill(cls, values):
+        if not isinstance(values, dict):
+            return values
+        is_collected = values.get("is_collected")
+        if is_collected is not None and isinstance(is_collected, bool):
+            values["is_collected"] = "true" if is_collected else "false"
+        return values
+
 
 class GptsAppQuery(GptsApp):
     page_size: int = 100
     page_no: int = 1
-    is_collected: Optional[str] = None
 
 
 class GptsAppResponse(BaseModel):
@@ -377,9 +392,9 @@ def app_list(self, query: GptsAppQuery, parse_llm_strategy: bool = False):
                             ),
                             "user_code": app_info.user_code,
                             "sys_code": app_info.sys_code,
-                            "is_collected": "true"
-                            if app_info.app_code in app_codes
-                            else "false",
+                            "is_collected": (
+                                "true" if app_info.app_code in app_codes else "false"
+                            ),
                             "created_at": app_info.created_at,
                             "updated_at": app_info.updated_at,
                             "details": [
@@ -502,9 +517,11 @@ def create(self, gpts_app: GptsApp):
                         resources=json.dumps(resource_dicts, ensure_ascii=False),
                         prompt_template=item.prompt_template,
                         llm_strategy=item.llm_strategy,
-                        llm_strategy_value=None
-                        if item.llm_strategy_value is None
-                        else json.dumps(tuple(item.llm_strategy_value.split(","))),
+                        llm_strategy_value=(
+                            None
+                            if item.llm_strategy_value is None
+                            else json.dumps(tuple(item.llm_strategy_value.split(",")))
+                        ),
                         created_at=item.created_at,
                         updated_at=item.updated_at,
                     )
@@ -546,9 +563,11 @@ def edit(self, gpts_app: GptsApp):
                         resources=json.dumps(resource_dicts, ensure_ascii=False),
                         prompt_template=item.prompt_template,
                         llm_strategy=item.llm_strategy,
-                        llm_strategy_value=None
-                        if item.llm_strategy_value is None
-                        else json.dumps(tuple(item.llm_strategy_value.split(","))),
+                        llm_strategy_value=(
+                            None
+                            if item.llm_strategy_value is None
+                            else json.dumps(tuple(item.llm_strategy_value.split(",")))
+                        ),
                         created_at=item.created_at,
                         updated_at=item.updated_at,
                     )