diff --git a/Dockerfile b/Dockerfile
index 118076e..3958b33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,8 +28,9 @@ FROM scratch
 
 # Copy CA certificates and timezone data
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-COPY --from=builder /usr/share/zoneinfo/Asia/Shanghai /usr/share/zoneinfo/Asia/Shanghai
+COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
 
+# Set Shanghai timezone
 ENV TZ=Asia/Shanghai
 
 # Set working directory and copy binary