diff --git a/app/main.py b/app/main.py
index ce0cae8..b6fb911 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,29 +1,14 @@
-import uvicorn
+from typing import Union
+
 from fastapi import FastAPI
-from type.response import JsonResponMsg, Msg
-from type.client import UserID, User
 
 app = FastAPI()
 
+@app.get("/")
+def read_root():
+    return {"Hello": "World"}
 
-@app.get("/userID", response_model=JsonResponMsg)
-async def getUserById(userID: UserID) -> JsonResponMsg:
 
-    return {
-        "status": 200,
-        "body": {
-            "message": f"args- {userID}",
-            "tag": f"args- {userID}"
-        }
-    }
-
-@app.post("/userID", response_model=JsonResponMsg)
-async def newUserById(user: User) -> JsonResponMsg:
-
-    return JsonResponMsg(
-        status= 200,
-        body=Msg(
-            message=user["name"],
-            tag=str(user["userId"])
-        )
-    )
+@app.get("/items/{item_id}")
+def read_item(item_id: int, q: str = None):
+    return {"item_id": item_id, "q": q}
\ No newline at end of file