diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/StringUtils.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/StringUtils.java
index 94ae0cccec..c30d60e61d 100644
--- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/StringUtils.java
+++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/StringUtils.java
@@ -17,9 +17,8 @@
 
 package org.apache.dolphinscheduler.common.utils;
 
-import java.util.Iterator;
-
 import java.util.Collection;
+import java.util.Iterator;
 
 /**
  * java.lang.String utils class
diff --git a/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/LoggerUtilsTest.java b/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/LoggerUtilsTest.java
index 4d914f3a71..80f0f5808c 100644
--- a/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/LoggerUtilsTest.java
+++ b/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/LoggerUtilsTest.java
@@ -44,7 +44,7 @@ public class LoggerUtilsTest {
 
         String taskId = LoggerUtils.buildTaskId(LoggerUtils.TASK_LOGGER_INFO_PREFIX, 798L,1,4084, 15210);
 
-        Assert.assertEquals(" - [taskAppId=TASK-79-4084-15210]", taskId);
+        Assert.assertEquals(" - [taskAppId=TASK-798_1-4084-15210]", taskId);
     }
 
     @Test
diff --git a/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/VarPoolUtilsTest.java b/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/VarPoolUtilsTest.java
index 4773067d6a..3fbd2288ad 100644
--- a/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/VarPoolUtilsTest.java
+++ b/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/VarPoolUtilsTest.java
@@ -17,10 +17,6 @@
 
 package org.apache.dolphinscheduler.common.utils;
 
-import org.apache.dolphinscheduler.common.model.TaskNode;
-
-import java.util.HashMap;
-import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.junit.Assert;
@@ -28,8 +24,6 @@ import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.fasterxml.jackson.databind.node.ObjectNode;
-
 public class VarPoolUtilsTest {
 
     private static final Logger logger = LoggerFactory.getLogger(VarPoolUtilsTest.class);
@@ -54,108 +48,4 @@ public class VarPoolUtilsTest {
         logger.info(rawScript);
     }
 
-    @Test
-    public void testSetTaskNodeLocalParams() throws Exception {
-        String taskJson = "{\"id\":\"tasks-66199\",\"name\":\"file-shell\",\"desc\":null,\"type\":\"SHELL\","
-                + "\"runFlag\":\"NORMAL\",\"loc\":null,\"maxRetryTimes\":0,\"retryInterval\":1,\""
-                + "params\":{\"rawScript\":\"sh n-1/n-1-1/run.sh\",\""
-                + "localParams\":[{\"prop\":\"k1\",\"direct\":\"IN\",\"type\":\"VARCHAR\",\"value\":\"v1\"},{\"prop\":\"k2\",\"direct\":\"IN\",\"type\":\"VARCHAR\",\"value\":\"v2\"},"
-                + "{\"prop\":\"k3\",\"direct\":\"IN\",\"type\":\"VARCHAR\",\"value\":\"v3\"}],\""
-                + "resourceList\":[{\"id\":\"dolphinschedule-code\",\"res\":\"n-1/n-1-1/dolphinscheduler-api-server.log\"},"
-                + "{\"id\":\"mr-code\",\"res\":\"n-1/n-1-1/hadoop-mapreduce-examples-2.7.4.jar\"},"
-                + "{\"id\":\"run\",\"res\":\"n-1/n-1-1/run.sh\"}]},\"preTasks\":[],\"extras\":null,\"depList\":[],\""
-                + "dependence\":{},\"conditionResult\":{\"successNode\":[\"\"],\"failedNode\":[\"\"]},\"taskInstancePriority\":\"MEDIUM\",\""
-                + "workerGroup\":\"default\",\"workerGroupId\":null,\"timeout\":{\"strategy\":\"\",\"interval\":null,\"enable\":false},\"delayTime\":0}";
-
-        String changeTaskJson = "{"
-                + "    \"id\":\"tasks-66199\","
-                + "    \"code\":null,"
-                + "    \"version\":0,"
-                + "    \"name\":\"file-shell\","
-                + "    \"desc\":null,"
-                + "    \"type\":\"SHELL\","
-                + "    \"runFlag\":\"NORMAL\","
-                + "    \"loc\":null,"
-                + "    \"maxRetryTimes\":0,"
-                + "    \"retryInterval\":1,"
-                + "    \"params\":{"
-                + "        \"rawScript\":\"sh n-1/n-1-1/run.sh\","
-                + "        \"localParams\":["
-                + "            {"
-                + "                \"prop\":\"k1\","
-                + "                \"direct\":\"IN\","
-                + "                \"type\":\"VARCHAR\","
-                + "                \"value\":\"k1-value-change\""
-                + "            },"
-                + "            {"
-                + "                \"prop\":\"k2\","
-                + "                \"direct\":\"IN\","
-                + "                \"type\":\"VARCHAR\","
-                + "                \"value\":\"k2-value-change\""
-                + "            },"
-                + "            {"
-                + "                \"prop\":\"k3\","
-                + "                \"direct\":\"IN\","
-                + "                \"type\":\"VARCHAR\","
-                + "                \"value\":\"v3\""
-                + "            }"
-                + "        ],"
-                + "        \"resourceList\":["
-                + "            {"
-                + "                \"id\":\"dolphinschedule-code\","
-                + "                \"res\":\"n-1/n-1-1/dolphinscheduler-api-server.log\""
-                + "            },"
-                + "            {"
-                + "                \"id\":\"mr-code\","
-                + "                \"res\":\"n-1/n-1-1/hadoop-mapreduce-examples-2.7.4.jar\""
-                + "            },"
-                + "            {"
-                + "                \"id\":\"run\","
-                + "                \"res\":\"n-1/n-1-1/run.sh\""
-                + "            }"
-                + "        ]"
-                + "    },"
-                + "    \"preTasks\":["
-                + ""
-                + "    ],"
-                + "    \"preTaskNodeList\":null,"
-                + "    \"extras\":null,"
-                + "    \"depList\":["
-                + ""
-                + "    ],"
-                + "    \"dependence\":{"
-                + ""
-                + "    },"
-                + "    \"conditionResult\":{"
-                + "        \"successNode\":["
-                + "            \"\""
-                + "        ],"
-                + "        \"failedNode\":["
-                + "            \"\""
-                + "        ]"
-                + "    },"
-                + "    \"taskInstancePriority\":\"MEDIUM\","
-                + "    \"workerGroup\":\"default\","
-                + "    \"workerGroupId\":null,"
-                + "    \"timeout\":{"
-                + "        \"strategy\":\"\","
-                + "        \"interval\":null,"
-                + "        \"enable\":false"
-                + "    },"
-                + "    \"delayTime\":0"
-                + "}";
-
-        ObjectNode jsonNodes = JSONUtils.parseObject(changeTaskJson);
-        Map<String, Object> propToValue = new HashMap<String, Object>();
-        propToValue.put("k1", "k1-value-change");
-        propToValue.put("k2", "k2-value-change");
-
-        TaskNode taskNode = JSONUtils.parseObject(taskJson, TaskNode.class);
-
-        VarPoolUtils.setTaskNodeLocalParams(taskNode, propToValue);
-
-        Assert.assertEquals(JSONUtils.toJsonString(jsonNodes), JSONUtils.toJsonString(taskNode).trim());
-
-    }
-
 }