diff --git a/request.go b/request.go
index 34b3f25..9f69f7c 100644
--- a/request.go
+++ b/request.go
@@ -8,16 +8,37 @@
 package consts
 
 const (
-	RequestLocationHeader  = "HEADER"   // header
-	RequestLocationCookie  = "COOKIE"   // cookie
-	RequestLocationBody    = "BODY"     // body
-	RequestLocationQuery   = "QUERY"    // query
-	RequestLocationUriPath = "URI_PATH" // uri路由一部分
+	RequestDataLocationHeader  = "HEADER"   // header
+	RequestDataLocationCookie  = "COOKIE"   // cookie
+	RequestDataLocationBody    = "BODY"     // body
+	RequestDataLocationQuery   = "QUERY"    // query
+	RequestDataLocationUriPath = "URI_PATH" // uri路由一部分
 )
 
 const (
-	ResponseLocationHeader    = "HEADER"    // header
-	ResponseLocationCookie    = "COOKIE"    // cookie
-	ResponseLocationBody      = "BODY"      // body
-	ResponseLocationExtension = "EXTENSION" // 扩展信息
+	ResponseDataLocationHeader    = "HEADER"    // header
+	ResponseDataLocationCookie    = "COOKIE"    // cookie
+	ResponseDataLocationBody      = "BODY"      // body
+	ResponseDataLocationExtension = "EXTENSION" // 扩展信息
+)
+
+type DataLocationDesc struct {
+	Value       string `json:"value"`       // 数据位置
+	Description string `json:"description"` // 数据位置描述
+}
+
+var (
+	RequestDataLocationList = []DataLocationDesc{
+		{Value: RequestDataLocationHeader, Description: "请求header"},
+		{Value: RequestDataLocationCookie, Description: "请求cookie"},
+		{Value: RequestDataLocationBody, Description: "请求body"},
+		{Value: RequestDataLocationQuery, Description: "请求query"},
+		{Value: RequestDataLocationUriPath, Description: "请求uri_path"},
+	}
+	ResponseDataLocationList = []DataLocationDesc{
+		{Value: ResponseDataLocationHeader, Description: "响应header"},
+		{Value: ResponseDataLocationCookie, Description: "响应cookie"},
+		{Value: ResponseDataLocationBody, Description: "响应body"},
+		{Value: ResponseDataLocationExtension, Description: "响应扩展数据"},
+	}
 )