diff --git a/Dockerfile b/Dockerfile
index ab7db6b..5d085ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,6 +32,14 @@ FROM eclipse-temurin:8-jdk-alpine
 
 WORKDIR /app
 
+# ✅ 安装字体 & libgcc 等依赖
+RUN apk add --no-cache \
+    libstdc++ \
+    libgcc \
+    fontconfig \
+    freetype \
+    ttf-dejavu
+
 # 复制构建产物
 COPY --from=builder /app/sa-admin/target/*.jar app.jar