群消息回调保存，文件上传大小变更

src/main/java/com/realtime/service/impl/SmartMessageServiceImpl.java

@@ -0,0 +1,19 @@
+package com.realtime.service.impl;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.realtime.mappers.SmartMessageMapper;
+import com.realtime.model.pojo.SmartMessage;
+import com.realtime.service.SmartMessageService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+@Slf4j
+@Service
+public class SmartMessageServiceImpl extends ServiceImpl<SmartMessageMapper, SmartMessage>
+    implements SmartMessageService {
+
+}
+
+
+
+