feat: reset captcha field on login form submission failure

Author: wxg0103

ui/src/views/chat/user-login/index.vue

@@ -269,6 +269,7 @@ const loginHandle = () => {
         loading.value = false
         loginForm.value.username = ''
         loginForm.value.password = ''
+        loginForm.value.captcha = ''
         const timestampKey = `${username}_chat_first_fail_timestamp`
         if (!localStorage.getItem(timestampKey)) {
           localStorage.setItem(timestampKey, Date.now().toString())

ui/src/views/login/index.vue

@@ -217,6 +217,7 @@ const loginHandle = () => {
             loading.value = false
             loginForm.value.username = ''
             loginForm.value.password = ''
+            loginForm.value.captcha = ''
             const timestampKey = `${username}_first_fail_timestamp`
             if (!localStorage.getItem(timestampKey)) {
               localStorage.setItem(timestampKey, Date.now().toString())