diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProjectServiceImpl.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProjectServiceImpl.java
index 3365b940f5..dcc2374a3a 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProjectServiceImpl.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProjectServiceImpl.java
@@ -24,7 +24,6 @@ import org.apache.dolphinscheduler.api.service.ProjectService;
 import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.UserType;
-import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.dao.entity.ProcessDefinition;
 import org.apache.dolphinscheduler.dao.entity.Project;
 import org.apache.dolphinscheduler.dao.entity.ProjectUser;
diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/PropertyUtils.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/PropertyUtils.java
index 199655e254..0b417a4dd3 100644
--- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/PropertyUtils.java
+++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/PropertyUtils.java
@@ -57,19 +57,12 @@ public class PropertyUtils {
      */
     public static synchronized void loadPropertyFile(String... propertyFiles) {
         for (String fileName : propertyFiles) {
-            InputStream fis = null;
-            try {
-                fis = PropertyUtils.class.getResourceAsStream(fileName);
+            try (InputStream fis = PropertyUtils.class.getResourceAsStream(fileName);) {
                 properties.load(fis);
 
             } catch (IOException e) {
                 logger.error(e.getMessage(), e);
-                if (fis != null) {
-                    IOUtils.closeQuietly(fis);
-                }
                 System.exit(1);
-            } finally {
-                IOUtils.closeQuietly(fis);
             }
         }
     }
diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java
index c9350bf8fb..f6e23f0b63 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java
@@ -17,7 +17,6 @@
 
 package org.apache.dolphinscheduler.server.log;
 
-import org.apache.dolphinscheduler.common.utils.IOUtils;
 import org.apache.dolphinscheduler.common.utils.JSONUtils;
 import org.apache.dolphinscheduler.common.utils.LoggerUtils;
 import org.apache.dolphinscheduler.remote.command.Command;
@@ -44,9 +43,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -56,7 +52,7 @@ import org.slf4j.LoggerFactory;
 import io.netty.channel.Channel;
 
 /**
- *  logger request process logic
+ * logger request process logic
  */
 public class LoggerRequestProcessor implements NettyRequestProcessor {
 
@@ -139,11 +135,8 @@ public class LoggerRequestProcessor implements NettyRequestProcessor {
      * @throws Exception exception
      */
     private byte[] getFileContentBytes(String filePath) {
-        InputStream in = null;
-        ByteArrayOutputStream bos = null;
-        try {
-            in = new FileInputStream(filePath);
-            bos  = new ByteArrayOutputStream();
+        try (InputStream in = new FileInputStream(filePath);
+             ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
             byte[] buf = new byte[1024];
             int len;
             while ((len = in.read(buf)) != -1) {
@@ -151,10 +144,7 @@ public class LoggerRequestProcessor implements NettyRequestProcessor {
             }
             return bos.toByteArray();
         } catch (IOException e) {
-            logger.error("get file bytes error",e);
-        } finally {
-            IOUtils.closeQuietly(bos);
-            IOUtils.closeQuietly(in);
+            logger.error("get file bytes error", e);
         }
         return new byte[0];
     }
@@ -168,14 +158,14 @@ public class LoggerRequestProcessor implements NettyRequestProcessor {
      * @return part file content
      */
     private List<String> readPartFileContent(String filePath,
-                                            int skipLine,
-                                            int limit) {
+                                             int skipLine,
+                                             int limit) {
         File file = new File(filePath);
         if (file.exists() && file.isFile()) {
             try (Stream<String> stream = Files.lines(Paths.get(filePath))) {
                 return stream.skip(skipLine).limit(limit).collect(Collectors.toList());
             } catch (IOException e) {
-                logger.error("read file error",e);
+                logger.error("read file error", e);
             }
         } else {
             logger.info("file path: {} not exists", filePath);