diff --git a/dubbo-metadata-report/dubbo-metadata-report-api/src/main/java/org/apache/dubbo/metadata/identifier/MetadataIdentifier.java b/dubbo-metadata-report/dubbo-metadata-report-api/src/main/java/org/apache/dubbo/metadata/identifier/MetadataIdentifier.java
index 81c3d45bad8..fca21bfbc99 100644
--- a/dubbo-metadata-report/dubbo-metadata-report-api/src/main/java/org/apache/dubbo/metadata/identifier/MetadataIdentifier.java
+++ b/dubbo-metadata-report/dubbo-metadata-report-api/src/main/java/org/apache/dubbo/metadata/identifier/MetadataIdentifier.java
@@ -66,8 +66,8 @@ private String getFilePathKey() {
         return getFilePathKey(DEFAULT_PATH_TAG);
     }
 
-    public String getFilePathKey(String pathTag) {
-        return toServicePath() + Constants.PATH_SEPARATOR + pathTag + Constants.PATH_SEPARATOR + (version == null ? "" : (version + Constants.PATH_SEPARATOR))
+    private String getFilePathKey(String pathTag) {
+        return pathTag + Constants.PATH_SEPARATOR + toServicePath() + Constants.PATH_SEPARATOR + (version == null ? "" : (version + Constants.PATH_SEPARATOR))
                 + (group == null ? "" : (group + Constants.PATH_SEPARATOR)) + side + Constants.PATH_SEPARATOR + getApplication();
     }
 
diff --git a/dubbo-metadata-report/dubbo-metadata-report-api/src/test/java/org/apache/dubbo/metadata/identifier/MetadataIdentifierTest.java b/dubbo-metadata-report/dubbo-metadata-report-api/src/test/java/org/apache/dubbo/metadata/identifier/MetadataIdentifierTest.java
new file mode 100644
index 00000000000..d9a345441fd
--- /dev/null
+++ b/dubbo-metadata-report/dubbo-metadata-report-api/src/test/java/org/apache/dubbo/metadata/identifier/MetadataIdentifierTest.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.metadata.identifier;
+
+import org.apache.dubbo.common.Constants;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * 2019/1/7
+ */
+public class MetadataIdentifierTest {
+
+    @Test
+    public void testGetUniqueKey() {
+        String interfaceName = "org.apache.dubbo.metadata.integration.InterfaceNameTestService";
+        String version = "1.0.0.zk.md";
+        String group = null;
+        String application = "vic.zk.md";
+        MetadataIdentifier providerMetadataIdentifier = new MetadataIdentifier(interfaceName, version, group, Constants.PROVIDER_SIDE, application);
+        System.out.println(providerMetadataIdentifier.getUniqueKey(MetadataIdentifier.KeyTypeEnum.PATH));
+        Assert.assertEquals(providerMetadataIdentifier.getUniqueKey(MetadataIdentifier.KeyTypeEnum.PATH), "metadata" + Constants.PATH_SEPARATOR + interfaceName + Constants.PATH_SEPARATOR + (version == null ? "" : (version + Constants.PATH_SEPARATOR))
+                + (group == null ? "" : (group + Constants.PATH_SEPARATOR)) + Constants.PROVIDER_SIDE + Constants.PATH_SEPARATOR + application);
+        System.out.println(providerMetadataIdentifier.getUniqueKey(MetadataIdentifier.KeyTypeEnum.UNIQUE_KEY));
+        Assert.assertEquals(providerMetadataIdentifier.getUniqueKey(MetadataIdentifier.KeyTypeEnum.UNIQUE_KEY),
+                interfaceName + MetadataIdentifier.SEPARATOR + (version == null ? "" : version + MetadataIdentifier.SEPARATOR) + (group == null ? "" : group + MetadataIdentifier.SEPARATOR) + Constants.PROVIDER_SIDE + MetadataIdentifier.SEPARATOR + application);
+    }
+}
diff --git a/dubbo-metadata-report/dubbo-metadata-report-zookeeper/src/test/java/org/apache/dubbo/metadata/store/zookeeper/ZookeeperMetadataReportTest.java b/dubbo-metadata-report/dubbo-metadata-report-zookeeper/src/test/java/org/apache/dubbo/metadata/store/zookeeper/ZookeeperMetadataReportTest.java
index d3a4e7a445e..14672fb8ee8 100644
--- a/dubbo-metadata-report/dubbo-metadata-report-zookeeper/src/test/java/org/apache/dubbo/metadata/store/zookeeper/ZookeeperMetadataReportTest.java
+++ b/dubbo-metadata-report/dubbo-metadata-report-zookeeper/src/test/java/org/apache/dubbo/metadata/store/zookeeper/ZookeeperMetadataReportTest.java
@@ -38,7 +38,6 @@
 /**
  * 2018/10/9
  */
-@Ignore("Keeps fail on Travis")
 public class ZookeeperMetadataReportTest {
     private TestingServer zkServer;
     private ZookeeperMetadataReport zookeeperMetadataReport;
@@ -75,15 +74,18 @@ public void testStoreProvider() throws ClassNotFoundException, InterruptedExcept
         MetadataIdentifier providerMetadataIdentifier = storePrivider(zookeeperMetadataReport, interfaceName, version, group, application);
 
         String fileContent = zookeeperMetadataReport.zkClient.getContent(zookeeperMetadataReport.getNodePath(providerMetadataIdentifier));
+        fileContent = waitSeconds(fileContent, 3500, zookeeperMetadataReport.getNodePath(providerMetadataIdentifier));
         Assert.assertNotNull(fileContent);
 
         deletePath(providerMetadataIdentifier, zookeeperMetadataReport);
         fileContent = zookeeperMetadataReport.zkClient.getContent(zookeeperMetadataReport.getNodePath(providerMetadataIdentifier));
+        fileContent = waitSeconds(fileContent, 1000, zookeeperMetadataReport.getNodePath(providerMetadataIdentifier));
         Assert.assertNull(fileContent);
 
 
         providerMetadataIdentifier = storePrivider(zookeeperMetadataReport, interfaceName, version, group, application);
         fileContent = zookeeperMetadataReport.zkClient.getContent(zookeeperMetadataReport.getNodePath(providerMetadataIdentifier));
+        fileContent = waitSeconds(fileContent, 3500, zookeeperMetadataReport.getNodePath(providerMetadataIdentifier));
         Assert.assertNotNull(fileContent);
 
         Gson gson = new Gson();
@@ -101,14 +103,17 @@ public void testConsumer() throws ClassNotFoundException, InterruptedException {
         MetadataIdentifier consumerMetadataIdentifier = storeConsumer(zookeeperMetadataReport, interfaceName, version, group, application);
 
         String fileContent = zookeeperMetadataReport.zkClient.getContent(zookeeperMetadataReport.getNodePath(consumerMetadataIdentifier));
+        fileContent = waitSeconds(fileContent, 3500, zookeeperMetadataReport.getNodePath(consumerMetadataIdentifier));
         Assert.assertNotNull(fileContent);
 
         deletePath(consumerMetadataIdentifier, zookeeperMetadataReport);
         fileContent = zookeeperMetadataReport.zkClient.getContent(zookeeperMetadataReport.getNodePath(consumerMetadataIdentifier));
+        fileContent = waitSeconds(fileContent, 1000, zookeeperMetadataReport.getNodePath(consumerMetadataIdentifier));
         Assert.assertNull(fileContent);
 
         consumerMetadataIdentifier = storeConsumer(zookeeperMetadataReport, interfaceName, version, group, application);
         fileContent = zookeeperMetadataReport.zkClient.getContent(zookeeperMetadataReport.getNodePath(consumerMetadataIdentifier));
+        fileContent = waitSeconds(fileContent, 3000, zookeeperMetadataReport.getNodePath(consumerMetadataIdentifier));
         Assert.assertNotNull(fileContent);
         Assert.assertEquals(fileContent, "{\"paramConsumerTest\":\"zkCm\"}");
     }
@@ -141,4 +146,12 @@ private MetadataIdentifier storeConsumer(ZookeeperMetadataReport zookeeperMetada
 
         return consumerMetadataIdentifier;
     }
+
+    private String waitSeconds(String value, long moreTime, String path) throws InterruptedException {
+        if (value == null) {
+            Thread.sleep(moreTime);
+            return zookeeperMetadataReport.zkClient.getContent(path);
+        }
+        return value;
+    }
 }