diff --git a/Dockerfile b/Dockerfile
index e260100..b316265 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,5 +6,5 @@ RUN go env -w GO111MODULE=on
 RUN go env -w GOPROXY=https://goproxy.cn,direct
 RUN go mod tidy
 RUN go build -o mains .
-EXPOSE 9090
+EXPOSE 51002
 ENTRYPOINT ["./mains"]
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