diff --git a/udf-starter-core/src/main/java/org/itkk/udf/core/exception/handle/ExceptionController.java b/udf-starter-core/src/main/java/org/itkk/udf/core/exception/handle/ExceptionController.java
index 5aca299..29474db 100644
--- a/udf-starter-core/src/main/java/org/itkk/udf/core/exception/handle/ExceptionController.java
+++ b/udf-starter-core/src/main/java/org/itkk/udf/core/exception/handle/ExceptionController.java
@@ -169,7 +169,7 @@ public class ExceptionController extends AbstractErrorController {
             errorResult.setMessage(body.get("path").toString());
         } else { //非404处理
             Object object = request.getAttribute("javax.servlet.error.exception");
-            if (object != null && object instanceof Exception) { //上下文中能拿到异常的情况
+            if (object instanceof Exception) { //上下文中能拿到异常的情况
                 Exception exception = (Exception) object;
                 //ZuulException异常特殊处理,去除ZuulException的包裹 (不用instanceof的原因是不想因为这里的判断而引入zuul的依赖在core包中)
                 if (exception.getClass().getName().equals("com.netflix.zuul.exception.ZuulException")) { //NOSONAR
diff --git a/udf-starter-core/src/main/java/org/itkk/udf/core/utils/ZipUtil.java b/udf-starter-core/src/main/java/org/itkk/udf/core/utils/ZipUtil.java
index 2f5afca..9e2ebad 100644
--- a/udf-starter-core/src/main/java/org/itkk/udf/core/utils/ZipUtil.java
+++ b/udf-starter-core/src/main/java/org/itkk/udf/core/utils/ZipUtil.java
@@ -82,11 +82,7 @@ public class ZipUtil {
      * @throws IOException 异常
      */
     private void decompressZip(File file, String saveFileDir) throws IOException {
-        InputStream is = null;
-        ZipArchiveInputStream zais = null;
-        try { //NOSONAR
-            is = new FileInputStream(file);
-            zais = new ZipArchiveInputStream(is, this.encoding);
+        try (InputStream is = new FileInputStream(file); ZipArchiveInputStream zais = new ZipArchiveInputStream(is, this.encoding)) { //NOSONAR
             ArchiveEntry archiveEntry;
 
             // 把zip包中的每个文件读取出来
@@ -108,13 +104,6 @@ public class ZipUtil {
                 this.decompressZip(saveFileDir, archiveEntry, zais);
 
             }
-        } finally {
-            if (zais != null) {
-                zais.close();
-            }
-            if (is != null) {
-                is.close();
-            }
         }
     }
 
@@ -132,20 +121,14 @@ public class ZipUtil {
             throws IOException {
         String entryFilePath = saveFileDir + archiveEntry.getName();
         byte[] content = new byte[BYTE_SIZE];
-        OutputStream os = null;
-        try {  //NOSONAR
+        File entryFile = new File(entryFilePath);
+        try (OutputStream os = new FileOutputStream(entryFile)) {  //NOSONAR
             // 把解压出来的文件写到指定路径
-            File entryFile = new File(entryFilePath);
-            os = new FileOutputStream(entryFile);
             int r;
             while ((r = zais.read(content)) > 0) {
                 os.write(content, 0, r);
             }
             os.flush();
-        } finally {
-            if (os != null) {
-                os.close();
-            }
         }
     }
 
@@ -160,10 +143,8 @@ public class ZipUtil {
      */
     public void compressFiles2Zip(File[] files, String zipFilePath) throws IOException {
         if (files != null && files.length > 0) {
-            ZipArchiveOutputStream zaos = null;
-            try {  //NOSONAR
-                File zipFile = new File(zipFilePath);
-                zaos = new ZipArchiveOutputStream(zipFile);
+            File zipFile = new File(zipFilePath);
+            try (ZipArchiveOutputStream zaos = new ZipArchiveOutputStream(zipFile)) {  //NOSONAR
 
                 // 将每个文件用ZipArchiveEntry封装
                 // 再用ZipArchiveOutputStream写到压缩文件中
@@ -171,10 +152,6 @@ public class ZipUtil {
                     this.compressFiles2Zip(file, zaos);
                 }
                 zaos.finish();
-            } finally {
-                if (zaos != null) {
-                    zaos.close();
-                }
             }
 
         }
@@ -195,19 +172,13 @@ public class ZipUtil {
         if (file != null) {
             ZipArchiveEntry zipArchiveEntry = new ZipArchiveEntry(file, file.getName());
             zaos.putArchiveEntry(zipArchiveEntry);
-            InputStream is = null;
-            try {  //NOSONAR
-                is = new BufferedInputStream(new FileInputStream(file), ioBuffered);
+            try (InputStream is = new BufferedInputStream(new FileInputStream(file), ioBuffered)) {  //NOSONAR
                 byte[] buffer = new byte[BYTE_SIZE];
                 int len;
                 while ((len = is.read(buffer)) != -1) {
                     zaos.write(buffer, 0, len);
                 }
                 zaos.closeArchiveEntry();
-            } finally {
-                if (is != null) {
-                    is.close();
-                }
             }
         }
     }
diff --git a/udf-starter-file/src/main/java/org/itkk/udf/file/web/FileController.java b/udf-starter-file/src/main/java/org/itkk/udf/file/web/FileController.java
index 91017bc..f52d9d3 100644
--- a/udf-starter-file/src/main/java/org/itkk/udf/file/web/FileController.java
+++ b/udf-starter-file/src/main/java/org/itkk/udf/file/web/FileController.java
@@ -107,24 +107,13 @@ public class FileController implements IFileController {
         //输出文件
         final int buffInt = 1024;
         byte[] buff = new byte[buffInt];
-        OutputStream os = null;
-        BufferedInputStream bis = null;
-        try { //NOSONAR
-            os = response.getOutputStream();
-            bis = new BufferedInputStream(fsr.getInputStream());
+        try (OutputStream os = response.getOutputStream(); BufferedInputStream bis = new BufferedInputStream(fsr.getInputStream())) { //NOSONAR
             int i = bis.read(buff);
             while (i != -1) {
                 os.write(buff, 0, buff.length);
                 os.flush();
                 i = bis.read(buff);
             }
-        } finally {
-            if (bis != null) {
-                bis.close();
-            }
-            if (os != null) {
-                os.close();
-            }
         }
     }
 
diff --git a/udf-starter-qrcode/src/main/java/org/itkk/udf/qrcode/web/QrcodeController.java b/udf-starter-qrcode/src/main/java/org/itkk/udf/qrcode/web/QrcodeController.java
index 9880fc6..532c4b0 100644
--- a/udf-starter-qrcode/src/main/java/org/itkk/udf/qrcode/web/QrcodeController.java
+++ b/udf-starter-qrcode/src/main/java/org/itkk/udf/qrcode/web/QrcodeController.java
@@ -58,20 +58,14 @@ public class QrcodeController implements IQrcodeController {
         //常量
         final String contentType = "image/png";
         //输出流
-        OutputStream os = null;
-        try {
+        BufferedImage bufferedImage = this.qrcodeService.parseBufferedImage(qrCodeRequest);
+        response.setContentType(contentType);
+        response.setCharacterEncoding(applicationConfig.getEncoding());
+        try (OutputStream os = response.getOutputStream()) {
             //设置response
-            response.setCharacterEncoding(applicationConfig.getEncoding());
-            response.setContentType(contentType);
             //生成二维码
-            BufferedImage bufferedImage = this.qrcodeService.parseBufferedImage(qrCodeRequest);
             //输出
-            os = response.getOutputStream();
             ImageIO.write(bufferedImage, QrCodeOptions.DEF_PIC_TYPE, os);
-        } finally {
-            if (os != null) {
-                os.close();
-            }
         }
     }
 }
diff --git a/udf-starter-scheduler/src/main/java/org/itkk/udf/scheduler/service/ListenerService.java b/udf-starter-scheduler/src/main/java/org/itkk/udf/scheduler/service/ListenerService.java
index 5ef19c6..4caf2b1 100644
--- a/udf-starter-scheduler/src/main/java/org/itkk/udf/scheduler/service/ListenerService.java
+++ b/udf-starter-scheduler/src/main/java/org/itkk/udf/scheduler/service/ListenerService.java
@@ -194,7 +194,7 @@ public class ListenerService {
         String exceptionDetail = null;
         // 获得result
         Object o = context.getResult();
-        if (null != o && o instanceof Map) {
+        if (o instanceof Map) {
             Map<String, Object> result = (Map<String, Object>) o;
             status = result.get("status").toString();
             JobExecutionException jobException = (JobExecutionException) result.get("jobException");
diff --git a/udf-starter-weixin-mp-api/src/main/java/org/itkk/udf/weixin/mp/api/WeixinMpConsont.java b/udf-starter-weixin-mp-api/src/main/java/org/itkk/udf/weixin/mp/api/WeixinMpConsont.java
index ea4f418..b2f94b6 100644
--- a/udf-starter-weixin-mp-api/src/main/java/org/itkk/udf/weixin/mp/api/WeixinMpConsont.java
+++ b/udf-starter-weixin-mp-api/src/main/java/org/itkk/udf/weixin/mp/api/WeixinMpConsont.java
@@ -78,18 +78,12 @@ public class WeixinMpConsont {
      */
     public static Element formatInputMessage(String inputMsg) throws ParserConfigurationException, SAXException, IOException {
         //解析消息
-        StringReader sr = null;
-        try { //NOSONAR
-            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
-            DocumentBuilder db = dbf.newDocumentBuilder();
-            sr = new StringReader(inputMsg);
+        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+        DocumentBuilder db = dbf.newDocumentBuilder();
+        try (StringReader sr = new StringReader(inputMsg)) { //NOSONAR
             InputSource is = new InputSource(sr);
             Document document = db.parse(is);
             return document.getDocumentElement();
-        } finally {
-            if (sr != null) {
-                sr.close();
-            }
         }
     }