diff --git a/src/pages/authentication/auth-forms/AuthLoginCustom.js b/src/pages/authentication/auth-forms/AuthLoginCustom.js
index 3afe339..d043fa7 100644
--- a/src/pages/authentication/auth-forms/AuthLoginCustom.js
+++ b/src/pages/authentication/auth-forms/AuthLoginCustom.js
@@ -118,7 +118,11 @@ const AuthLoginCustom = () => {
         .catch((error) => {
           // setSuccess(false)
           setOnLogin(false)
-          setErrorMassage(error.response.data.error)
+          if(error.response!= undefined){
+            setErrorMassage(error.response.data.error)
+          }else{
+            setErrorMassage("CONNECTION_ERROR")
+          }
           setOpen(true)
         });
     } else {
diff --git a/src/pages/authentication/auth-forms/PasswordAlertDialog.js b/src/pages/authentication/auth-forms/PasswordAlertDialog.js
index ba25ac5..305a139 100644
--- a/src/pages/authentication/auth-forms/PasswordAlertDialog.js
+++ b/src/pages/authentication/auth-forms/PasswordAlertDialog.js
@@ -29,22 +29,27 @@ const PasswordAlertDialog = (props) => {
       <DialogTitle id="alert-dialog-title">
         <Stack mt={1} mr={4} direction="row" justifyContent="flex-start" alignItems="center" spacing={2}>
           <CancelOutlinedIcon color="error" sx={{ width: "35px", height: "40px" }} />
-          {props.errorMassage === 'ACCOUNT_LOCKED_ERROR' ?
-            <Stack direction="column">
-              <Typography display="inline">
-                帳戶將被封鎖
-              </Typography>
-              <Typography display="inline">
-                帳戶連續五次登入錯誤,請與系統管理員聯絡
-              </Typography>
-            </Stack> :
-            props.errorMassage === 'ACCOUNT_VERIFIED_ERROR' ?
-              <Typography display="inline">
-                帳戶尚未驗證
-              </Typography> :
-              <Typography display="inline">
-                用戶名或密碼錯誤
-              </Typography>
+          {
+            props.errorMassage === 'ACCOUNT_LOCKED_ERROR' ?
+              <Stack direction="column">
+                <Typography display="inline">
+                <FormattedMessage id="loginErrorMessage1"/>
+                </Typography>
+                <Typography display="inline">
+                  <FormattedMessage id="loginErrorMessage2"/>
+                </Typography>
+              </Stack> :
+              props.errorMassage === 'ACCOUNT_VERIFIED_ERROR' ?
+                <Typography display="inline">
+                  <FormattedMessage id="loginErrorMessage3"/>
+                </Typography> :
+                props.errorMassage === 'CONNECTION_ERROR' ?
+                  <Typography display="inline">
+                    <FormattedMessage id="loginErrorMessage4"/>
+                  </Typography>:
+                  <Typography display="inline">
+                    <FormattedMessage id="loginErrorMessage5"/>
+                  </Typography>
           }
         </Stack>
       </DialogTitle>
diff --git a/src/translations/en.json b/src/translations/en.json
index 3ca6b38..6930139 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -105,6 +105,13 @@
   "register": "Register",
   "userLoginName": "Username",
   "userPassword": "Password",
+  
+  "loginErrorMessage1":"Account will be blocked",
+  "loginErrorMessage2":"Account login errors for Five Consecutive Times, please contact the system administrator",
+  "loginErrorMessage3":"Account has not been Verified",
+  "loginErrorMessage4":"System Connection Failed",
+  "loginErrorMessage5":"Incorrect Username or Password",
+
   "newPassword": "New Password",
   "setNewPassword": "Please enter new password",
   "forgotUserPassword": "Forgot Password",
diff --git a/src/translations/zh-CN.json b/src/translations/zh-CN.json
index 4a0ee02..f442884 100644
--- a/src/translations/zh-CN.json
+++ b/src/translations/zh-CN.json
@@ -104,6 +104,13 @@
   "register": "申请",
   "userLoginName": "用户登入名称",
   "userPassword": "密码",
+  
+  "loginErrorMessage1":"帐户将被封锁",
+  "loginErrorMessage2":"帐户连续五次登入错误,请与系统管理员联络",
+  "loginErrorMessage3":"帐户尚未验证",
+  "loginErrorMessage4":"系统连接失败",
+  "loginErrorMessage5":"用户名或密码错误",
+
   "newPassword": "新密码",
   "setNewPassword": "请输入新密码",
   "forgotUserPassword": "忘记密码",
diff --git a/src/translations/zh-HK.json b/src/translations/zh-HK.json
index 32dbc32..259083d 100644
--- a/src/translations/zh-HK.json
+++ b/src/translations/zh-HK.json
@@ -104,6 +104,13 @@
   "register": "申請",
   "userLoginName": "用戶登入名稱",
   "userPassword": "密碼",
+  
+  "loginErrorMessage1":"帳戶將被封鎖",
+  "loginErrorMessage2":"帳戶連續五次登入錯誤,請與系統管理員聯絡",
+  "loginErrorMessage3":"帳戶尚未驗證",
+  "loginErrorMessage4":"系統連接失敗",
+  "loginErrorMessage5":"用戶名或密碼錯誤",
+
   "newPassword": "新密碼",
   "setNewPassword": "請輸入新密碼",
   "forgotUserPassword": "忘記密碼",
@@ -112,10 +119,8 @@
   "forgotPasswordSubTitle": "請輸入你的用戶登入名稱以重設密碼",
   "forgotPasswordSubTitle1": "請輸入你的用戶登入名稱",
   "forgotPasswordSubTitle2": "以重設密碼",
-
   "forgotUsernameSubTitle": "請輸入你的電郵以重設密碼",
   "forgotUsernameSubTitle1": "請輸入你的電郵",
-  
   "resetPasswordSuccess": "已成功重設密碼。",
   "securityCode": "安全驗證碼",
   "sentSecurityCode1": "我們已將驗證碼送至你的電郵：",