diff --git a/pages/time.js b/pages/time.js
index bc4b44c..7b85324 100644
--- a/pages/time.js
+++ b/pages/time.js
@@ -28,6 +28,7 @@ export default function Time(props) {
   const [snackbarErrorMessage, setSnackbarErrorMessage] = useState("");
   const [snackbarSuccess, setSnackbarSuccess] = useState(false);
   const [limit, setLimit] = useState(1);
+  const [inputedLimit, setInputedLimit] = useState(1);
   const [token, setToken] = useState("");
   const [stats, setStats] = useState({});
 
@@ -248,14 +249,14 @@ export default function Time(props) {
             >
               <TextField
                 label="每人数量上限"
-                value={limit}
-                onChange={(e) => setLimit(e.target.value)}
+                value={inputedLimit}
+                onChange={(e) => setInputedLimit(e.target.value)}
               />
               <Button
                 variant="contained"
                 color="primary"
                 onClick={() => {
-                  updateLimit(limit);
+                  updateLimit(inputedLimit);
                 }}
               >
                 修改上限