diff --git a/swagger.go b/swagger.go
index 5b8e468..0fd20a9 100644
--- a/swagger.go
+++ b/swagger.go
@@ -41,3 +41,10 @@ const (
 const (
 	SwaggerBaseObjectDefinitionName = "object_map"
 )
+
+const (
+	SwaggerParameterInQuery  = "query"  // 参数位置 : query
+	SwaggerParameterInHeader = "header" // 参数位置 : header
+	SwaggerParameterInPath   = "path"   // 参数位置 : path
+	SwaggerParameterInCookie = "cookie" // 参数位置 : cookie
+)