diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1245c5736..10ce28ca7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 7.2.18 (2018-12-17)
+## 修正
+* 分片上传重试添加 crc32 校验
+* pili stream 管理，参数 json 格式
+
 ## 7.2.15 (2018-09-10)
 ## 移除内部鉴权打印
 
diff --git a/src/main/java/com/qiniu/common/Constants.java b/src/main/java/com/qiniu/common/Constants.java
index cf539e252..d770cce4b 100644
--- a/src/main/java/com/qiniu/common/Constants.java
+++ b/src/main/java/com/qiniu/common/Constants.java
@@ -9,7 +9,7 @@ public final class Constants {
     /**
      * 版本号
      */
-    public static final String VERSION = "7.2.17";
+    public static final String VERSION = "7.2.18";
     /**
      * 块大小，不能改变
      */
diff --git a/src/main/java/com/qiniu/common/QiniuException.java b/src/main/java/com/qiniu/common/QiniuException.java
index ac72a2e70..6f856505e 100644
--- a/src/main/java/com/qiniu/common/QiniuException.java
+++ b/src/main/java/com/qiniu/common/QiniuException.java
@@ -16,6 +16,9 @@ public final class QiniuException extends IOException {
     public QiniuException(Response response) {
         super(response != null ? response.getInfo() : null);
         this.response = response;
+        if (response != null) {
+            response.close();
+        }
     }
 
     public QiniuException(Exception e) {
diff --git a/src/main/java/com/qiniu/storage/BucketManager.java b/src/main/java/com/qiniu/storage/BucketManager.java
index 3153af36e..1befa85fe 100644
--- a/src/main/java/com/qiniu/storage/BucketManager.java
+++ b/src/main/java/com/qiniu/storage/BucketManager.java
@@ -8,6 +8,7 @@
 import com.qiniu.http.Response;
 import com.qiniu.storage.model.*;
 import com.qiniu.util.*;
+
 import java.util.*;
 
 /**
@@ -326,7 +327,7 @@ public Response changeType(String bucket, String key, StorageType type)
      *
      * @param bucket 空间名称
      * @param key    文件名称
-     * @param status   0表示启用；1表示禁用。
+     * @param status 0表示启用；1表示禁用。
      * @throws QiniuException
      */
     public Response changeStatus(String bucket, String key, int status)
diff --git a/src/main/java/com/qiniu/streaming/StreamingManager.java b/src/main/java/com/qiniu/streaming/StreamingManager.java
index 51d1ceb84..b8266d719 100644
--- a/src/main/java/com/qiniu/streaming/StreamingManager.java
+++ b/src/main/java/com/qiniu/streaming/StreamingManager.java
@@ -164,7 +164,8 @@ public String saveAs(String streamKey, String fileName, long start, long end) th
      * @param end       录制结束的时间戳，单位秒
      * @param other     文档中指定的其它参数
      */
-    public String saveAs(String streamKey, String fileName, long start, long end, StringMap other) throws QiniuException {
+    public String saveAs(String streamKey, String fileName, long start, long end, StringMap other)
+            throws QiniuException {
         String path = encodeKey(streamKey) + "/saveas";
         StringMap param = other != null ? other : new StringMap();
         param.putNotEmpty("fname", fileName).put("start", start).put("end", end);
diff --git a/src/test/java/test/com/qiniu/rtc/RtcTest.java b/src/test/java/test/com/qiniu/rtc/RtcTest.java
index 30000a306..4643a063d 100644
--- a/src/test/java/test/com/qiniu/rtc/RtcTest.java
+++ b/src/test/java/test/com/qiniu/rtc/RtcTest.java
@@ -10,18 +10,7 @@
 
 
 public class RtcTest {
-    private String ak = "DXFtikq1YuD"; //AccessKey you get from qiniu
-    private String sk = "F397hz"; //SecretKey you get from qiniu
-    private Auth auth = null;
-
-    {
-        try {
-            auth = Auth.create(ak, sk);
-        } catch (Exception e) {
-            auth = TestConfig.testAuth;
-        }
-    }
-
+    private Auth auth = TestConfig.testAuth;
     private RtcAppManager manager = new RtcAppManager(auth);
     private RtcRoomManager rmanager = new RtcRoomManager(auth);
 
diff --git a/src/test/java/test/com/qiniu/storage/BucketTest.java b/src/test/java/test/com/qiniu/storage/BucketTest.java
index 5532a5599..83356ba61 100644
--- a/src/test/java/test/com/qiniu/storage/BucketTest.java
+++ b/src/test/java/test/com/qiniu/storage/BucketTest.java
@@ -29,7 +29,7 @@ public class BucketTest {
     };
 
     @Before
-    protected void setUp() throws Exception {
+    public void setUp() throws Exception {
         //default config
         Configuration cfg = new Configuration();
         cfg.useHttpsDomains = false;
diff --git a/src/test/java/test/com/qiniu/streaming/StreamingTest.java b/src/test/java/test/com/qiniu/streaming/StreamingTest.java
index 1c2e70ddd..74ff2d989 100644
--- a/src/test/java/test/com/qiniu/streaming/StreamingTest.java
+++ b/src/test/java/test/com/qiniu/streaming/StreamingTest.java
@@ -18,15 +18,7 @@
  * Created by bailong on 16/9/22
  */
 public class StreamingTest {
-    private Auth auth = null;
-
-    {
-        try {
-            auth = Auth.create(System.getenv("ak"), System.getenv("sk"));
-        } catch (Exception e) {
-            auth = TestConfig.testAuth;
-        }
-    }
+    private Auth auth = TestConfig.testAuth;
 
     private String hub = "pilisdktest";
     private String streamKeyPrefix = "pilijava" + System.currentTimeMillis();