diff --git a/api/Dockerfile b/api/Dockerfile
index 80416fda..957ef6d3 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -1,16 +1,22 @@
 FROM registry.cn-hangzhou.aliyuncs.com/jcce-images/golang:1.22.4-alpine3.20 AS builder
 
-WORKDIR /app
-
 LABEL stage=gobuilder
+
 ENV CGO_ENABLED 0
 ENV GOARCH amd64
 ENV GOPROXY https://goproxy.cn,direct
 
+WORKDIR /app
+
+ADD go.mod .
+ADD go.sum .
+RUN go mod download
 COPY . .
 COPY api/etc/ /app/
-RUN go mod download && go build -o pcm-coordinator-api /app/api/pcm.go
+RUN go build -o pcm-coordinator-api /app/api/pcm.go
 
+
+FROM registry.cn-hangzhou.aliyuncs.com/jcce-images/alpine3.20
 WORKDIR /app
 
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.sjtug.sjtu.edu.cn/g' /etc/apk/repositories && \