diff --git a/deploy/app/Dockerfile b/deploy/app/Dockerfile
index 557e75a7..4aac760a 100644
--- a/deploy/app/Dockerfile
+++ b/deploy/app/Dockerfile
@@ -11,6 +11,12 @@ RUN npm run build
 
 FROM golang:1.23-bookworm AS go-builder
 
+# GOPROXY defaults to the official proxy to preserve upstream build behavior.
+# Hosts behind networks that cannot reach proxy.golang.org can pass a
+# reachable mirror, e.g. --build-arg GOPROXY=https://goproxy.cn,direct
+# (compose wires it from GO_PROXY in the environment env-file).
+ARG GOPROXY=https://proxy.golang.org,direct
+ENV GOPROXY=${GOPROXY}
 ENV GOTOOLCHAIN=auto
 
 WORKDIR /src
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index b89d5e98..2fd77ce2 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -71,6 +71,8 @@ services:
     build:
       context: .
       dockerfile: deploy/app/Dockerfile
+      args:
+        GOPROXY: ${GO_PROXY:-https://proxy.golang.org,direct}
     container_name: shuimu-agent-app-dev
     depends_on:
       system-db:
@@ -152,6 +154,8 @@ services:
     build:
       context: .
       dockerfile: deploy/app/Dockerfile
+      args:
+        GOPROXY: ${GO_PROXY:-https://proxy.golang.org,direct}
     container_name: shuimu-agent-events-dev
     entrypoint: ["/app/events"]
     command: ["-env", "/dev/null"]
diff --git a/docker-compose.main.yml b/docker-compose.main.yml
index 6ca74df3..0c4d2877 100644
--- a/docker-compose.main.yml
+++ b/docker-compose.main.yml
@@ -68,6 +68,8 @@ services:
     build:
       context: .
       dockerfile: deploy/app/Dockerfile
+      args:
+        GOPROXY: ${GO_PROXY:-https://proxy.golang.org,direct}
     container_name: shuimu-agent-app-main
     depends_on:
       system-db:
@@ -152,6 +154,8 @@ services:
     build:
       context: .
       dockerfile: deploy/app/Dockerfile
+      args:
+        GOPROXY: ${GO_PROXY:-https://proxy.golang.org,direct}
     container_name: shuimu-agent-events-main
     entrypoint: ["/app/events"]
     command: ["-env", "/dev/null"]
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index 2ed26c65..111b527c 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -68,6 +68,8 @@ services:
     build:
       context: .
       dockerfile: deploy/app/Dockerfile
+      args:
+        GOPROXY: ${GO_PROXY:-https://proxy.golang.org,direct}
     container_name: shuimu-agent-app-test
     depends_on:
       system-db:
@@ -149,6 +151,8 @@ services:
     build:
       context: .
       dockerfile: deploy/app/Dockerfile
+      args:
+        GOPROXY: ${GO_PROXY:-https://proxy.golang.org,direct}
     container_name: shuimu-agent-events-test
     entrypoint: ["/app/events"]
     command: ["-env", "/dev/null"]