diff --git a/web/src/components/SystemSetting.js b/web/src/components/SystemSetting.js
index ef067845..572f1d04 100644
--- a/web/src/components/SystemSetting.js
+++ b/web/src/components/SystemSetting.js
@@ -119,6 +119,7 @@ const SystemSetting = () => {
             name === 'ServerAddress' ||
             name === 'EpayId' ||
             name === 'EpayKey' ||
+            name === 'MinCharge' ||
             name === 'Price' ||
             name === 'PayAddress' ||
             name === 'GitHubClientId' ||
@@ -159,6 +160,7 @@ const SystemSetting = () => {
         await updateOption('EpayId', inputs.EpayId);
         await updateOption('EpayKey', inputs.EpayKey);
         await updateOption('Price', "" + inputs.Price);
+        await updateOption('MinCharge', "" + inputs.MinCharge);
     };
 
     const submitSMTP = async () => {
diff --git a/web/src/pages/TopUp/index.js b/web/src/pages/TopUp/index.js
index a627fedc..0cec1c67 100644
--- a/web/src/pages/TopUp/index.js
+++ b/web/src/pages/TopUp/index.js
@@ -53,6 +53,9 @@ const TopUp = () => {
         if (amount === 0) {
             await getAmount();
         }
+        if (amount === 0) {
+            return;
+        }
         setPayWay(payment)
         setOpen(true);
     }
@@ -143,7 +146,8 @@ const TopUp = () => {
                 if (message === 'success') {
                     setAmount(parseInt(data));
                 } else {
-                    showError(data);
+                    showError(message);
+                    setAmount(0)
                     // setTopUpCount(parseInt(res.data.count));
                     // setAmount(parseInt(data));
                 }