feat: 修改bug

lib/app/modules/kr_login/controllers/kr_login_controller.dart

@@ -305,19 +305,24 @@ class KRLoginController extends GetxController
 
   /// 发送验证码（仅支持邮箱）
   void kr_sendCode() async {
-    final either = await KRAuthApi().kr_sendCode(
-        accountController.text,
-          2
-       ); // 重置密码验证码类型为3
-    /*
-    *
-    *  kr_loginStatus.value == KRLoginProgressStatus.kr_registerSendCode
-            ? 2  // 注册验证码类型为2
-            : 3*/
+    if (accountController.text.isEmpty) {
+      KRCommonUtil.kr_showToast(AppTranslations.kr_login.enterAccount);
+      return;
+    }
+
+    int type;
+    final check = await KRAuthApi().kr_isRegister(accountController.text);
+    final result = check.fold((l) {
+      KRCommonUtil.kr_showToast(l.msg);
+      return null;
+    }, (isRegistered) => isRegistered ? 2 : 1);
+    if (result == null) return;
+    type = result;
+
+    final either = await KRAuthApi().kr_sendCode(accountController.text, type);
     either.fold((l) {
       KRCommonUtil.kr_showToast(l.msg);
     }, (r) async {
-      /// 开始倒计时
       _startCountdown();
     });
   }