1.注释WebSocket的冲突配置。

src/main/java/cn/minbb/iot/config/WebSocketConfig.java

@@ -1,10 +1,9 @@
 package cn.minbb.iot.config;
 
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.web.socket.server.standard.ServerEndpointExporter;
 
-@Configuration
+//@Configuration
 public class WebSocketConfig {
     @Bean
     public ServerEndpointExporter serverEndpointExporter() {