diff --git a/src/HttpServer/logic/logic.go b/src/HttpServer/logic/logic.go
index c9f23f7..32badb1 100644
--- a/src/HttpServer/logic/logic.go
+++ b/src/HttpServer/logic/logic.go
@@ -527,6 +527,8 @@ func HandlerReadNumUpload(w http.ResponseWriter, data string) {
 
 func HandlerFetchredbag(w http.ResponseWriter, data string, uuid int) {
 	SetHeader(w)
+	llock.Lock()
+	defer llock.Unlock()
 	var resp FetchredbagResp
 	resp.Code = 0
 	var rdata FetchredbagReq
--
libgit2 0.21.0