diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b4df1d33..acd2c39c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 #Changelog
 
-## 7.0.1
+## 7.0.2 (2014-10-29)
+
+### 修正
+* 修正response info isOK 的判断，避免返回部分数据时判断错误
+
+## 7.0.1 (2014-10-24)
 
 ### 增加
 * 增加maven 一键发布
diff --git a/library/src/main/java/com/qiniu/android/common/Config.java b/library/src/main/java/com/qiniu/android/common/Config.java
index 18086ba76..c7e13b8d4 100644
--- a/library/src/main/java/com/qiniu/android/common/Config.java
+++ b/library/src/main/java/com/qiniu/android/common/Config.java
@@ -4,7 +4,7 @@
  * Created by bailong on 14/10/8.
  */
 public final class Config {
-    public static final String VERSION = "7.0.1";
+    public static final String VERSION = "7.0.2";
 
     public static final String UP_HOST = "upload.qiniu.com";
     public static final String UP_HOST_BACKUP = "up.qiniu.com";
diff --git a/library/src/main/java/com/qiniu/android/http/ResponseHandler.java b/library/src/main/java/com/qiniu/android/http/ResponseHandler.java
index 00dcc7f70..f8df702e5 100644
--- a/library/src/main/java/com/qiniu/android/http/ResponseHandler.java
+++ b/library/src/main/java/com/qiniu/android/http/ResponseHandler.java
@@ -57,6 +57,10 @@ private static ResponseInfo buildResponseInfo(int statusCode, Header[] headers,
                     }
                 }
             }
+        } else{
+            if (reqId==null){
+                err = "remote is not qiniu server!";
+            }
         }
 
         if (statusCode == 0) {
@@ -66,23 +70,25 @@ private static ResponseInfo buildResponseInfo(int statusCode, Header[] headers,
         return new ResponseInfo(statusCode, reqId, xlog, err);
     }
 
-    private static JSONObject buildJsonResp(byte[] body) {
-        try {
-            String str = new String(body, Config.CHARSET);
-            return new JSONObject(str);
-        } catch (JSONException e) {
-            e.printStackTrace();
-        } catch (UnsupportedEncodingException e) {
-            e.printStackTrace();
-        }
-        return null;
+    private static JSONObject buildJsonResp(byte[] body) throws Exception {
+
+        String str = new String(body, Config.CHARSET);
+        return new JSONObject(str);
     }
 
     @Override
     public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
-        ResponseInfo info = buildResponseInfo(statusCode, headers, null, null);
+        JSONObject obj = null;
+        Exception exception = null;
+        try {
+            obj = buildJsonResp(responseBody);
+        } catch (Exception e) {
+            exception = e;
+        }
+
+        ResponseInfo info = buildResponseInfo(statusCode, headers, null, exception);
         Log.i("qiniu----success", info.toString());
-        JSONObject obj = buildJsonResp(responseBody);
+
         completionHandler.complete(info, obj);
     }
 
diff --git a/library/src/main/java/com/qiniu/android/http/ResponseInfo.java b/library/src/main/java/com/qiniu/android/http/ResponseInfo.java
index 4ca6b2073..8ac1b0455 100644
--- a/library/src/main/java/com/qiniu/android/http/ResponseInfo.java
+++ b/library/src/main/java/com/qiniu/android/http/ResponseInfo.java
@@ -38,7 +38,7 @@ public boolean isCancelled() {
     }
 
     public boolean isOK() {
-        return statusCode == 200;
+        return statusCode == 200 && error == null && reqId != null;
     }
 
     public boolean isNetworkBroken() {
@@ -50,7 +50,7 @@ public boolean isServerError() {
     }
 
     public boolean needRetry() {
-        return isNetworkBroken() || isServerError() || statusCode == 406;
+        return isNetworkBroken() || isServerError() || statusCode == 406 || (statusCode == 200 && error != null);
     }
 
     public String toString() {