20191029 修改线程池的创建方式

server/src/main/java/com/pica/cloud/account/account/server/util/ExecutorServiceUtils.java

@@ -10,7 +10,9 @@ import java.util.concurrent.Executors;
  */
 public class ExecutorServiceUtils {
 
+   private static ExecutorService executorService = Executors.newFixedThreadPool(30);
+
     public static ExecutorService getExecutor() {
-        return Executors.newFixedThreadPool(30);
+       return executorService;
     }
 }