diff --git a/swagger/run.go b/swagger/run.go
index 332c503..150a57f 100644
--- a/swagger/run.go
+++ b/swagger/run.go
@@ -229,7 +229,7 @@ func generateParameterDefinitions(swaggerInfo *define.Swagger, uri string, paren
 		parentPath = uri + ".input"
 	}
 	if len(subPathArr) == 2 {
-		if _, exist := swaggerInfo.Definitions[parentPath]; !exist {
+		if _, exist := swaggerInfo.Definitions[parentPath]; !exist && subPathArr[0] != "[]" {
 			swaggerInfo.Definitions[parentPath] = &define.SwaggerDefinition{
 				Type:       "object",
 				Required:   make([]string, 0),
@@ -246,7 +246,7 @@ func generateParameterDefinitions(swaggerInfo *define.Swagger, uri string, paren
 			}
 		} else {
 			if subPathArr[0] == "[]" {
-				generateParameterDefinitions(swaggerInfo, uri, parentPath+".item", strings.Join(subPathArr[1:], "."), paramConfig)
+				generateParameterDefinitions(swaggerInfo, uri, parentPath+".item", subPathArr[1], paramConfig)
 				return
 			} else {
 				swaggerInfo.Definitions[parentPath].Properties[subPathArr[0]] = &define.SwaggerDefinitionProperty{