diff --git a/swagger/run.go b/swagger/run.go
index 2e92437..332c503 100644
--- a/swagger/run.go
+++ b/swagger/run.go
@@ -327,8 +327,8 @@ func generateResponseDefinitions(swaggerInfo *define.Swagger, uri string, parent
 	}
 	parentPathArr := strings.Split(parentPath, ".")
 	checkPath := parentPath
-	if len(parentPathArr) >= 2 {
-		checkPath = strings.Join([]string{parentPathArr[0], parentPathArr[1]}, ".")
+	if len(parentPathArr) >= 3 {
+		checkPath = strings.Join([]string{parentPathArr[0], parentPathArr[1], parentPathArr[2]}, ".")
 	}
 	subPathArr := strings.Split(subPath, ".")
 	if _, exist := swaggerInfo.Definitions[checkPath]; !exist && len(parentPath) > 0 {