diff --git a/build-and-run.sh b/build-and-run.sh
index b411b07..a43db4c 100755
--- a/build-and-run.sh
+++ b/build-and-run.sh
@@ -36,7 +36,7 @@ fi
 # 4. 构建镜像
 echo "🔧 开始构建镜像：$IMAGE_NAME"
 if [ -n "$PROXY" ]; then
-    docker build \
+    docker build --no-cache \
       --build-arg http_proxy="$PROXY" \
       --build-arg https_proxy="$PROXY" \
       --network=host \