feat: 流量和余额不足提醒

wfc-api/wfc-api-user/src/main/java/org/wfc/user/api/RemoteUUserService.java

@@ -91,4 +91,7 @@ public interface RemoteUUserService
 
     @GetMapping(value = "/order/{id}")
     public R<UOrderVo> getOrderById(@PathVariable("id") Long id);
+
+    @PostMapping("/account/reminder")
+    public R<Boolean> sendReminderEMail();
 }

wfc-api/wfc-api-user/src/main/java/org/wfc/user/api/factory/RemoteUUserFallbackFactory.java

@@ -82,6 +82,11 @@ public class RemoteUUserFallbackFactory implements FallbackFactory<RemoteUUserSe
             public R<UOrderVo> getOrderById(Long id) {
                 return R.fail("get order error:" + throwable.getMessage());
             }
+
+            @Override
+            public R<Boolean> sendReminderEMail() {
+                return R.fail("send reminder email error:" + throwable.getMessage());
+            }
         };
     }
 }