diff --git a/api/Dockerfile b/api/Dockerfile
index 2eeb683f..afd6ce83 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -6,7 +6,8 @@ COPY . .
 
 RUN go env -w GO111MODULE=on \
 && go env -w GOPROXY=https://goproxy.cn,direct \
-&& go env -w CGO_ENABLED=0
+&& go env -w CGO_ENABLED=0 \
+&& go mod download
 RUN go build -o pcm-coordinator-api /app/api/pcm.go
 
 FROM registry.cn-hangzhou.aliyuncs.com/jcce-images/alpine:3.20