添加websocket的依赖

pom.xml

@@ -88,6 +88,12 @@
             <artifactId>spring-boot-starter-aop</artifactId>
         </dependency>
 
+        <!-- WebSocket 起步依赖 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
+
        <!--   阿里云相关依赖     -->
         <dependency>
             <groupId>com.aliyun.oss</groupId>