diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 1f94f2da3..feb77060c 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -40,9 +40,9 @@ jobs:
       run: |
         IFS=',' read -ra APP_LISTS <<< "$APP_LISTS"
         for APP in "${APP_LISTS[@]}"; do
-          TAG=$(grep 'LABEL version' "apps/$APP/Dockerfile" | cut -d'"' -f2)
+          TAG=$(grep 'LABEL version' "apps/$APP/Dockerfile" | cut -d'"' -f2 | xargs)
           echo $TAG
-          TAGS=$(echo $TAG | awk -F. '{for(i=1;i<=NF;i++){printf (i==1?"":",")"%s",substr($0,1,index($0,$i"."$((i+1)))-1)}}' | sed 's/,$//')
+          IFS='.' read -ra PARTS <<< "$TAG"; TAGS=""; for i in "${!PARTS[@]}"; do if [ "$i" -eq 0 ]; then TAGS+="${PARTS[$i]}"; else TAGS+=",${TAGS}.${PARTS[$i]}"; fi; done; echo $TAGS
           echo $TAGS
           echo "Building and pushing Docker image for $APP with tags: $TAGS"
           echo "TAGS=$TAGS" >> $GITHUB_ENV
diff --git a/apps/discuz/Dockerfile b/apps/discuz/Dockerfile
index 69c5f4c48..d086e1224 100644
--- a/apps/discuz/Dockerfile
+++ b/apps/discuz/Dockerfile
@@ -1,4 +1,4 @@
-# update time: 202312070817
+# update time: 202312070824
 
 FROM joomla:php7.4-apache