diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff29d019b..559c6de07 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 #Changelog
 
+## 7.0.4.1 (2015-08-27)
+
+### 修正
+* okhttp 2.4 兼容问题
+
+### 变更
+* 多zone 支持
+
 ## 7.0.4 (2015-06-25)
 
 ### 变更
diff --git a/src/main/java/com/qiniu/common/Config.java b/src/main/java/com/qiniu/common/Config.java
index 42f525e49..25ac95252 100644
--- a/src/main/java/com/qiniu/common/Config.java
+++ b/src/main/java/com/qiniu/common/Config.java
@@ -6,7 +6,7 @@
 
 public final class Config {
 
-    public static final String VERSION = "7.0.4";
+    public static final String VERSION = "7.0.4.1";
     /**
      * 断点上传时的分块大小(默认的分块大小, 不允许改变)
      */
diff --git a/src/main/java/com/qiniu/http/Client.java b/src/main/java/com/qiniu/http/Client.java
index a127fba3c..b17488ccc 100644
--- a/src/main/java/com/qiniu/http/Client.java
+++ b/src/main/java/com/qiniu/http/Client.java
@@ -98,21 +98,24 @@ public void accept(String key, Object value) {
     }
 
     public Response post(String url, byte[] body, StringMap headers, String contentType) throws QiniuException {
-        RequestBody rbody = null;
+        RequestBody rbody;
         if (body != null && body.length > 0) {
             MediaType t = MediaType.parse(contentType);
-
             rbody = RequestBody.create(t, body);
+        } else {
+            rbody = RequestBody.create(null, new byte[0]);
         }
         return post(url, rbody, headers);
     }
 
     public Response post(String url, byte[] body, int offset, int size,
                          StringMap headers, String contentType) throws QiniuException {
-        RequestBody rbody = null;
+        RequestBody rbody;
         if (body != null && body.length > 0) {
             MediaType t = MediaType.parse(contentType);
             rbody = create(t, body, offset, size);
+        } else {
+            rbody = RequestBody.create(null, new byte[0]);
         }
         return post(url, rbody, headers);
     }