diff --git a/include/request/auditing_req.h b/include/request/auditing_req.h
index 7281282..921622f 100644
--- a/include/request/auditing_req.h
+++ b/include/request/auditing_req.h
@@ -2784,6 +2784,11 @@ class Conf {
     m_mask = m_mask | 0x00000200u;
     m_freeze = freeze;
   }
+   
+  void SetTimeout(const int timeout) {
+    m_mask = m_mask | 0x00000400u;
+    m_timeout = timeout;
+  }
 
   std::string GetBizType() const { return m_biz_type;}
 
@@ -2803,6 +2808,8 @@ class Conf {
 
   Freeze GetFreeze() const { return m_freeze; }
 
+  int GetTimeout() const { return m_timeout; }
+
   bool HasBizType() const { return (m_mask & 0x00000001u) != 0; }
 
   bool HasDetectType() const { return (m_mask & 0x00000002u) != 0;}
@@ -2819,7 +2826,9 @@ class Conf {
 
   bool HasAsync() const { return (m_mask & 0x00000080u) != 0; }
 
-  bool HasFreeze() const { return (m_mask & 0x00000020u) != 0; }
+  bool HasFreeze() const { return (m_mask & 0x00000200u) != 0; }
+
+  bool HasTimeout() const { return (m_mask & 0x00000400u) != 0; }
 
   std::string to_string() const {
     std::stringstream ss;
@@ -2831,7 +2840,8 @@ class Conf {
        << ", detect_content: " << m_detect_content
        << ", return_highlight_html: " << m_return_highlight_html
        << ", async: " << m_async
-       << ", freeze: " << m_freeze.to_string();
+       << ", freeze: " << m_freeze.to_string()
+       << ", timeout: " << m_timeout;
     return ss.str();
   }
 
@@ -2846,6 +2856,7 @@ class Conf {
   bool m_return_highlight_html;     // 网页审核时，是否需要高亮网页耶的违规文本
   int m_async;                      // 是否异步进行审核，0：同步返回结果，1：异步进行审核。默认值为 0。
   Freeze m_freeze;             // 可通过该字段，设置根据审核结果给出的不同分值，对图片进行自动冻结，仅当input中审核的图片为object时有效
+  int m_timeout;               // 通过该参数可设置请求的超时时间。参数有效值为大于等于0的整数，单位为毫秒，0表示不限制时间，默认值为0
 };
 
 class GetImageAuditingReq : public ObjectReq {
diff --git a/src/request/auditing_req.cpp b/src/request/auditing_req.cpp
index 4b196cb..19331d6 100644
--- a/src/request/auditing_req.cpp
+++ b/src/request/auditing_req.cpp
@@ -152,6 +152,11 @@ bool BatchImageAuditingReq::GenerateRequestBody(std::string* body) const {
                            rapidxml::node_element, "PornScore",
                            doc.allocate_string((std::to_string(m_conf.GetFreeze().GetPornSocre()).c_str()))));       
   }      
+  if (m_conf.HasTimeout()) {
+    conf_node->append_node(doc.allocate_node(
+                           rapidxml::node_element, "Timeout",
+                           doc.allocate_string((std::to_string(m_conf.GetTimeout()).c_str()))));    
+  }
   root_node->append_node(conf_node);
   
   rapidxml::print(std::back_inserter(*body), doc, 0);
diff --git a/src/util/auth_tool.cpp b/src/util/auth_tool.cpp
index f35fbd2..9eab264 100644
--- a/src/util/auth_tool.cpp
+++ b/src/util/auth_tool.cpp
@@ -42,7 +42,8 @@ void AuthTool::FilterAndSetSignHeader(
       "if-unmodified-since",
       "origin",
       "range",
-      "transfer-encoding"
+      "transfer-encoding",
+      "pic-operations"
       };
   for (std::map<std::string, std::string>::const_iterator itr = headers.begin();
        itr != headers.end(); ++itr) {