diff --git a/mcp_server/tools/__init__.py b/mcp_server/tools/__init__.py
index 55cd153..b9235c1 100644
--- a/mcp_server/tools/__init__.py
+++ b/mcp_server/tools/__init__.py
@@ -18,7 +18,6 @@ class ABCTool(ABC):
 class ToolRegister:
     _dict: dict[str, ABCTool] = {}
     
-    @classmethod
     def register(self, tool: ABCTool) -> ABCTool:
         tool_name = tool.tool().name
         logging.info(f"Registering tool: {tool_name}")
diff --git a/mcp_server/utils/request.py b/mcp_server/utils/request.py
index 6fe82a3..e5e9a32 100644
--- a/mcp_server/utils/request.py
+++ b/mcp_server/utils/request.py
@@ -1,20 +1,39 @@
 from httpx import AsyncClient
 from config import GLOBAL_CONFIG
 import httpx
+import json
 
-def check_slce_response(response: httpx.Response) -> str:
+def get_response_data(response: httpx.Response) -> dict:
     if response.status_code != 200:
         return f"response status code: {response.status_code}"
     
     data = response.json()
     if data["msg"] is not None and data["msg"] != "":
-        return f"request SafeLine API failed: {data['msg']}"
+        raise Exception(f"request SafeLine API failed: {data['msg']}")
     
     if data["err"] is not None and data["err"] != "":
-        return f"request SafeLine API failed: {data['err']}"
+        raise Exception(f"request SafeLine API failed: {data['err']}")
+    
+    return data['data']
+
+def check_slce_response(response: httpx.Response) -> str:
+    try:
+        get_response_data(response)
+    except Exception as e:
+        return str(e)
     
     return "success"
 
+
+def check_slce_get_response(response: httpx.Response) -> str:
+    try:
+        data = get_response_data(response)
+        if data:
+            return json.dumps(data)
+        return "empty response data"
+    except Exception as e:
+        return str(e)
+
 async def get_slce_api(path: str) -> str:
     if not path.startswith("/"):
         path = f"/{path}"
@@ -24,7 +43,7 @@ async def get_slce_api(path: str) -> str:
             response = await client.get(f"{GLOBAL_CONFIG.SAFELINE_ADDRESS}{path}", headers={
                 "X-SLCE-API-TOKEN": f"{GLOBAL_CONFIG.SAFELINE_API_TOKEN}"
             })
-            return check_slce_response(response)
+            return check_slce_get_response(response)
     except Exception as e:
         return str(e)