fix swagger;

liquidnet-bus-common/liquidnet-common-swagger/src/main/java/com/liquidnet/common/swagger/config/Swagger2Config.java

 package com.liquidnet.common.swagger.config;
 
+import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
@@ -16,6 +17,7 @@ import springfox.documentation.spring.web.plugins.Docket;
 import springfox.documentation.swagger2.annotations.EnableSwagger2;
 
 @Configuration
+@EnableKnife4j
 @EnableSwagger2
 public class Swagger2Config {
     @Autowired

liquidnet-bus-common/pom.xml

@@ -126,13 +126,8 @@
             <dependency>
                 <groupId>com.github.xiaoymin</groupId>
                 <artifactId>knife4j-spring-boot-starter</artifactId>
-                <version>3.0.2</version>
+                <version>2.0.4</version>
             </dependency>
-<!--            <dependency>-->
-<!--                <groupId>io.swagger</groupId>-->
-<!--                <artifactId>swagger-annotations</artifactId>-->
-<!--                <version>1.5.22</version>-->
-<!--            </dependency>-->
             <dependency>
                 <groupId>com.belerweb</groupId>
                 <artifactId>pinyin4j</artifactId>