diff --git a/.github/workflows/auto_release.yml b/.github/workflows/auto_release.yml
index a8b34d2..a355d1a 100644
--- a/.github/workflows/auto_release.yml
+++ b/.github/workflows/auto_release.yml
@@ -27,11 +27,19 @@ jobs:
         LATEST_TAG=$(git describe --tags --abbrev=0 --match "${{ matrix.folder }}-*" 2>/dev/null)
         echo "LATEST_TAG=$LATEST_TAG" >> $GITHUB_ENV
 
-        if [[ -n "$LATEST_TAG" ]]; then
-          PREVIOUS_BUILD=$(echo $LATEST_TAG | awk -F_ '{print $2}')
-          NEXT_BUILD=$(printf "%03d" $((PREVIOUS_BUILD + 1)))
+        PREVIOUS_VERSION=$(echo $LATEST_TAG | awk -F_ '{print $1}' | awk -F- '{print $2}')
+        PREVIOUS_BUILD=$(echo $LATEST_TAG | awk -F_ '{print $2}')
+
+        if [[ "${{ matrix.folder }}" == "seafile-caddy" ]]; then
+          CURRENT_VERSION=$(grep -m 1 'FROM caddy:' ${{ matrix.folder }}/Dockerfile | awk -F':' '{print $2}' | awk -F'-' '{print $1}' | tr -d '\n')
         else
+          CURRENT_VERSION=$(grep -m 1 'SEAFILE_VERSION' ${{ matrix.folder }}/Dockerfile | awk -F'SEAFILE_VERSION=' '{print $2}' | awk '{print $1}' | tr -d '\n')
+        fi
+
+        if [[ "$PREVIOUS_VERSION" != "$CURRENT_VERSION" ]] || [[ -z "$LATEST_TAG" ]]; then
           NEXT_BUILD="001"
+        else
+          NEXT_BUILD=$(printf "%03d" $((PREVIOUS_BUILD + 1)))
         fi
         echo "NEXT_BUILD=$NEXT_BUILD" >> $GITHUB_ENV