modify text in login page

src/locales/en.js

@@ -80,8 +80,6 @@ export default {
     'Don\'t have an account?': 'Don\'t have an account?',
     'Create an account': 'Create an account',
     'Forget Password?': 'Forget Password?',
-    'Please input username': 'Please input username',
-    'Please input password': 'Please input password',
     'Username cannot be empty': 'Username cannot be empty',
     'Password cannot be empty': 'Password cannot be empty',
     'Confirmation password cannot be empty': 'Confirmation password cannot be empty',
@@ -93,8 +91,8 @@ export default {
     'Passcode': 'Passcode',
     'Backup Code': 'Backup Code',
     'Verify': 'Verify',
-    'Please input passcode': 'Please input passcode',
-    'Please input backup code': 'Please input backup code',
+    'Passcode cannot be empty': 'Passcode cannot be empty',
+    'Backup code cannot be empty': 'Please input backup code',
     'Unable to verify': 'Unable to verify',
     'Use a backup code': 'Use a backup code',
     'Use a passcode': 'Use a passcode',

src/locales/zh_Hans.js

@@ -80,8 +80,6 @@ export default {
     'Don\'t have an account?': '还没有账号？',
     'Create an account': '创建新账号',
     'Forget Password?': '找回密码?',
-    'Please input username': '请输入用户名',
-    'Please input password': '请输入密码',
     'Username cannot be empty': '用户名不能为空',
     'Password cannot be empty': '密码不能为空',
     'Confirmation password cannot be empty': '确认密码不能为空',
@@ -93,8 +91,8 @@ export default {
     'Passcode': '验证码',
     'Backup Code': '备用码',
     'Verify': '验证',
-    'Please input passcode': '请输入验证码',
-    'Please input backup code': '请输入备用码',
+    'Passcode cannot be empty': '验证码不能为空',
+    'Backup code cannot be empty': '备用码不能为空',
     'Unable to verify': '无法验证',
     'Use a backup code': '使用备用码',
     'Use a passcode': '使用验证码',

src/views/mobile/Login.vue

@@ -129,12 +129,12 @@ export default {
             const router = self.$f7router;
 
             if (!this.username) {
-                self.$alert('Please input username');
+                self.$alert('Username cannot be empty');
                 return;
             }
 
             if (!this.password) {
-                self.$alert('Please input password');
+                self.$alert('Password cannot be empty');
                 return;
             }
 
@@ -193,10 +193,10 @@ export default {
             const router = self.$f7router;
 
             if (this.twoFAVerifyType === 'passcode' && !this.passcode) {
-                self.$alert('Please input passcode');
+                self.$alert('Passcode cannot be empty');
                 return;
             } else if (this.twoFAVerifyType === 'backupcode' && !this.backupCode) {
-                self.$alert('Please input backup code');
+                self.$alert('Backup code cannot be empty');
                 return;
             }