diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index 5c78b61..9213663 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -9,6 +9,7 @@ on:
     paths-ignore:
       - '.github/**'
       - 'docs/**'
+      - 'README.md'
 
 env:
   REGISTRY: ghcr.io
diff --git a/Dockerfile b/Dockerfile
index 4a22813..aed6fe5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,7 +26,6 @@ RUN \
     mv /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d/docker.gpg && \
     echo "**** install runtime packages ****" && \
     apt-get update && \
-    apt-get dist-upgrade -y && \
     apt-get install -y --no-install-recommends \
     wget \
     fonts-wqy-microhei \