代码优化

knowledgeman-service/src/main/java/com/diagbot/facade/LibraryInfoFacade.java

@@ -46,6 +46,7 @@ public class LibraryInfoFacade extends LibraryInfoServiceImpl {
                         }
                     }
                 }
+                connection.closePipeline();
                 return null;
             }
         });