diff --git a/alpine-runner/Dockerfile b/alpine-runner/Dockerfile
index 20c3d45..7f26127 100644
--- a/alpine-runner/Dockerfile
+++ b/alpine-runner/Dockerfile
@@ -5,4 +5,5 @@ LABEL org.opencontainers.image.authors="lxh@cxh.cn"
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories && \
   apk add --update --no-cache tzdata
 
-ENV TZ=Asia/Shanghai
\ No newline at end of file
+ENV TZ=Asia/Shanghai \
+    GIN_MODE=release
\ No newline at end of file
diff --git a/alpine-runner/Dockerfile_wkhtml2pdf b/alpine-runner/Dockerfile_wkhtml2pdf
index 147b4f2..fb5efa1 100644
--- a/alpine-runner/Dockerfile_wkhtml2pdf
+++ b/alpine-runner/Dockerfile_wkhtml2pdf
@@ -10,4 +10,5 @@ RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositorie
 COPY --from=madnight/alpine-wkhtmltopdf-builder:0.12.5-alpine3.10-606718795 \
     /bin/wkhtmltopdf /bin/wkhtmltopdf
 COPY shs.otf /usr/share/fonts/
-ENV TZ=Asia/Shanghai
\ No newline at end of file
+ENV TZ=Asia/Shanghai \
+    GIN_MODE=release
\ No newline at end of file