diff --git a/docker/Dockerfile b/docker/Dockerfile
index f4ed130..fea8b30 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -32,7 +32,7 @@ RUN mvn package -DskipTests -B -q
 # ========== 阶段三：运行（单容器，仅 Java） ==========
 FROM eclipse-temurin:8-jre-alpine
 
-RUN apk add --no-cache tzdata \
+RUN apk add --no-cache libgcc tzdata \
     && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone
 
diff --git a/docker/backend.Dockerfile b/docker/backend.Dockerfile
index 58090a1..90c2de6 100644
--- a/docker/backend.Dockerfile
+++ b/docker/backend.Dockerfile
@@ -16,7 +16,7 @@ RUN mvn package -DskipTests -B -q
 # 运行阶段
 FROM eclipse-temurin:8-jre-alpine
 
-RUN apk add --no-cache tzdata \
+RUN apk add --no-cache libgcc tzdata \
     && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone