使用异步线程连接客户端

@@ -57,10 +57,14 @@ public class ESClientMgr {
     	indexNames.add(ISearchConstants.INDEX_NAME_IMAGE_VECTORS);
     	indexNames.add(ISearchConstants.INDEX_NAME_PROMOTIONINDEX);
     	
-    	for (String indexName : indexNames) {
-			this.getClient(indexName);
-		}
-    	
+    	new Thread(new Runnable() {
+			@Override
+			public void run() {
+				for (String indexName : indexNames) {
+					getClient(indexName);
+				}
+			}
+		}).start();
     }