diff --git a/main.py b/main.py
index 8d26924..dc5443f 100644
--- a/main.py
+++ b/main.py
@@ -64,8 +64,16 @@ async def lifespan(app: FastAPI):
 app = FastAPI(lifespan=lifespan)
 
 
-@app.post("/stat", response_model=SystemData)
-def upload(data: PostData, session: SessionDep):
+@app.post("/stat")
+def upload(data: PostData, session: SessionDep) -> int:
+    yesterday = datetime.now(timezone.utc) - timedelta(days=1)
+    total = 0
+    slower = 0
+    for system in session.exec(select(System).where(System.upload_time > yesterday)):
+        total += 1
+        if system.avg_time > data.avg_time:
+            slower += 1
+    ratio = round(slower / total * 100) if total > 0 else 0
     user_list = session.exec(select(User).where(User.name == data.name))
     if (user_db := user_list.one_or_none()) is None:
         user_db = User.model_validate(data)
@@ -76,7 +84,7 @@ def upload(data: PostData, session: SessionDep):
     system_db.user_id = user_db.id
     session.add(system_db)
     session.commit()
-    return data
+    return ratio
 
 
 @app.get("/user/today")
@@ -95,15 +103,3 @@ def user_week(session: SessionDep) -> int:
     for system in session.exec(select(System).where(System.upload_time > last_week)):
         user_set.add(system.user_id)
     return len(user_set)
-
-
-@app.get("/screenshot/{screenshot_time}")
-def screenshot_rank(screenshot_time: int, session: SessionDep) -> float:
-    yesterday = datetime.now(timezone.utc) - timedelta(days=1)
-    total = 0
-    slower = 0
-    for system in session.exec(select(System).where(System.upload_time > yesterday)):
-        total += 1
-        if system.avg_time > screenshot_time:
-            slower += 1
-    return slower / total if total > 0 else 0