zs

pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.1.RELEASE</version>
+        <version>2.1.6.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.zjty</groupId>
@@ -29,6 +29,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-websocket</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <scope>runtime</scope>
+        </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>