diff --git a/backend-go/Makefile b/backend-go/Makefile
index ddaca5d..17d76c9 100644
--- a/backend-go/Makefile
+++ b/backend-go/Makefile
@@ -5,13 +5,13 @@ GOPRIVATE ?= hz-gitea.sea-studio.top
 .PHONY: tidy build run dev clean
 
 build:
-	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) GONOSUMCHECK=$(GOPRIVATE) GONOSUMDB=$(GOPRIVATE) go build -o sharedclassmanager ./cmd/server
+	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) GONOSUMCHECK=$(GOPRIVATE) GONOSUMDB=$(GOPRIVATE) go build -mod=vendor -o sharedclassmanager ./cmd/server
 
 run:
-	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) go run ./cmd/server
+	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) go run -mod=vendor ./cmd/server
 
 dev:
-	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) go run ./cmd/server
+	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) go run -mod=vendor ./cmd/server
 
 tidy:
 	GOPROXY=$(GOPROXY) GOPRIVATE=$(GOPRIVATE) GONOSUMCHECK=$(GOPRIVATE) GONOSUMDB=$(GOPRIVATE) go mod tidy