diff --git a/src/main/java/cn/hellohao/service/impl/COSImageupload.java b/src/main/java/cn/hellohao/service/impl/COSImageupload.java
index 768a58a..1bc4148 100644
--- a/src/main/java/cn/hellohao/service/impl/COSImageupload.java
+++ b/src/main/java/cn/hellohao/service/impl/COSImageupload.java
@@ -73,16 +73,16 @@ public class COSImageupload {
                 COSCredentials cred = new BasicCOSCredentials(secretId, secretKey);
                 Region region = new Region(k.getEndpoint());
                 ClientConfig clientConfig = new ClientConfig(region);
-                COSClient cosClient = new COSClient(cred, clientConfig);
+                COSClient cos = new COSClient(cred, clientConfig);
                 ListObjectsRequest listObjectsRequest = new ListObjectsRequest();
                 listObjectsRequest.setBucketName(k.getBucketname());
                 listObjectsRequest.setDelimiter("/");
                 listObjectsRequest.setMaxKeys(1);
                 ObjectListing objectListing = null;
                 try {
-                    objectListing = cosClient.listObjects(listObjectsRequest);
+                    objectListing = cos.listObjects(listObjectsRequest);
                     ret = 1;
-                    cosClient = cosClient;
+                    cosClient = cos;
                     key = k;
                 } catch (Exception e) {
                     System.out.println("COS Object Is null");
diff --git a/src/main/java/cn/hellohao/service/impl/KODOImageupload.java b/src/main/java/cn/hellohao/service/impl/KODOImageupload.java
index 2d9f5c7..2cc7a82 100644
--- a/src/main/java/cn/hellohao/service/impl/KODOImageupload.java
+++ b/src/main/java/cn/hellohao/service/impl/KODOImageupload.java
@@ -33,7 +33,6 @@ public class KODOImageupload {
 
     public ReturnImage ImageuploadKODO(Map<String, File> fileMap, String username, Integer keyID){
         ReturnImage returnImage = new ReturnImage();
-        Keys key = null;
         Configuration cfg;
         if (key.getEndpoint().equals("1")) {
             cfg = new Configuration(Zone.zone0());
@@ -99,14 +98,14 @@ public class KODOImageupload {
                 UploadManager uploadManager = new UploadManager(cfg);
                 Auth auth = Auth.create(k.getAccessKey(), k.getAccessSecret());
                 String upToken = auth.uploadToken(k.getBucketname(),null,7200,null);//auth.uploadToken(k.getBucketname());
-                BucketManager bucketManager = new BucketManager(auth, cfg);
+                BucketManager bmObj = new BucketManager(auth, cfg);
                 BucketManager.FileListIterator fileListIterator = null;
                 try {
-                    fileListIterator = bucketManager.createFileListIterator(k.getBucketname(), "", 1, "/");
+                    fileListIterator = bmObj.createFileListIterator(k.getBucketname(), "", 1, "/");
                     FileInfo[] items = fileListIterator.next();
                     if(items!=null){
                         ret = 1;
-                        bucketManager = bucketManager;
+                        bucketManager = bmObj;
                         key = k;
                     }
                 }catch (Exception e){
diff --git a/src/main/java/cn/hellohao/service/impl/NOSImageupload.java b/src/main/java/cn/hellohao/service/impl/NOSImageupload.java
index a88962d..f3b71b6 100644
--- a/src/main/java/cn/hellohao/service/impl/NOSImageupload.java
+++ b/src/main/java/cn/hellohao/service/impl/NOSImageupload.java
@@ -58,13 +58,13 @@ public class NOSImageupload {
                     && !k.getBucketname().equals("") && !k.getRequestAddress().equals("") ){
                 // 初始化
                 Credentials credentials = new BasicCredentials(k.getAccessKey(), k.getAccessSecret());
-                NosClient nosClient = new NosClient(credentials);
-                nosClient.setEndpoint(k.getEndpoint());
+                NosClient nosObj = new NosClient(credentials);
+                nosObj.setEndpoint(k.getEndpoint());
                 ObjectListing objectListing = null;
                 try {
-                    objectListing = nosClient.listObjects(k.getBucketname());
+                    objectListing = nosObj.listObjects(k.getBucketname());
                     ret = 1;
-                    nosClient = nosClient;
+                    nosClient = nosObj;
                     key = k;
                 }catch (Exception e){
                     System.out.println("NOS Object Is null");
diff --git a/src/main/java/cn/hellohao/service/impl/OSSImageupload.java b/src/main/java/cn/hellohao/service/impl/OSSImageupload.java
index 30c9a92..ee2787e 100644
--- a/src/main/java/cn/hellohao/service/impl/OSSImageupload.java
+++ b/src/main/java/cn/hellohao/service/impl/OSSImageupload.java
@@ -15,7 +15,7 @@ import java.util.*;
 
 @Service
 public class OSSImageupload {
-    static OSSClient ossClient;
+    static OSS ossClient;
     static Keys key;
 
     public ReturnImage ImageuploadOSS(Map<String, File> fileMap, String username,Integer keyID){
@@ -52,11 +52,11 @@ public class OSSImageupload {
                 && k.getBucketname()!=null && k.getRequestAddress()!=null ) {
             if(!k.getEndpoint().equals("") && !k.getAccessSecret().equals("") && !k.getAccessKey().equals("") && !k.getEndpoint().equals("")
                     && !k.getBucketname().equals("") && !k.getRequestAddress().equals("") ) {
-                OSS ossClient = new OSSClientBuilder().build(k.getEndpoint(), k.getAccessKey(), k.getAccessSecret());
+                OSS ossObj = new OSSClientBuilder().build(k.getEndpoint(), k.getAccessKey(), k.getAccessSecret());
                 try {
-                    objectListing = ossClient.listObjects(k.getBucketname());
+                    objectListing = ossObj.listObjects(k.getBucketname());
                     ret=1;
-                    ossClient = ossClient;
+                    ossClient = ossObj;
                     key = k;
                 } catch (Exception e) {
                     System.out.println("OSS Object Is null");
diff --git a/src/main/java/cn/hellohao/service/impl/UFileImageupload.java b/src/main/java/cn/hellohao/service/impl/UFileImageupload.java
index 13bdf2d..3238245 100644
--- a/src/main/java/cn/hellohao/service/impl/UFileImageupload.java
+++ b/src/main/java/cn/hellohao/service/impl/UFileImageupload.java
@@ -57,12 +57,12 @@ public class UFileImageupload {
             if(!k.getAccessSecret().equals("") && !k.getAccessKey().equals("")
                     && !k.getBucketname().equals("") && !k.getRequestAddress().equals("") ) {
                 // 创建UpYun实例。
-                UpYun uFile = new UpYun(k.getBucketname(), k.getAccessKey(), k.getAccessSecret());
+                UpYun ufObj = new UpYun(k.getBucketname(), k.getAccessKey(), k.getAccessSecret());
                 List<UpYun.FolderItem> items = null;
                 try {
-                    items = uFile.readDir("/",null);
+                    items = ufObj.readDir("/",null);
                     ret = 1;
-                    uFile = uFile;
+                    uFile = ufObj;
                     key = k;
                 } catch (Exception e) {
                     System.out.println("UFile Object Is null");
diff --git a/src/main/java/cn/hellohao/service/impl/USSImageupload.java b/src/main/java/cn/hellohao/service/impl/USSImageupload.java
index 47b8b04..a694cc9 100644
--- a/src/main/java/cn/hellohao/service/impl/USSImageupload.java
+++ b/src/main/java/cn/hellohao/service/impl/USSImageupload.java
@@ -61,12 +61,12 @@ public class USSImageupload {
                     && !k.getRequestAddress().equals("") ) {
                 // 初始化
                 // 创建UpYun实例。
-                UpYun upyun = new UpYun(k.getBucketname(), k.getAccessKey(), k.getAccessSecret());
+                UpYun upObj= new UpYun(k.getBucketname(), k.getAccessKey(), k.getAccessSecret());
                 List<UpYun.FolderItem> items = null;
                 try {
-                    items = upyun.readDir("/",null);
+                    items = upObj.readDir("/",null);
                     ret = 1;
-                    upyun = upyun;
+                    upyun = upObj;
                     key = k;
                 } catch (Exception e) {
                     System.out.println("USS Object Is null");