diff --git a/.github/workflows/target-image-sync.yml b/.github/workflows/target-image-sync.yml
index dbfda35..361ff89 100644
--- a/.github/workflows/target-image-sync.yml
+++ b/.github/workflows/target-image-sync.yml
@@ -50,11 +50,6 @@ jobs:
       run: |
         curl -v http://127.0.0.1:8080 || exit 1
         curl -f --proxy 127.0.0.1:8080 -v http://m.daocloud.io/v2/ || exit 1
-    - name: Override mirror.txt
-      run: |
-        IMAGE=$(echo "${{ github.event.issue.body }}" | grep SYNC | awk '{print $2}' | head -n 1)
-        echo ${IMAGE} > mirror.txt
-
     - name: Sync Images
       env:
         INCREMENTAL: "true"
@@ -62,10 +57,16 @@ jobs:
         PARALLET: "1"
         http_proxy: socks5://127.0.0.1:8080
         https_proxy: socks5://127.0.0.1:8080
-      run: |
-        ./hack/diff.sh
-    - name: Close Issue
       run: |
         IMAGE=$(echo "${{ github.event.issue.body }}" | grep SYNC | awk '{print $2}' | head -n 1)
-        gh issue comment ${{ github.event.issue.number }} -b "镜像 ${IMAGE} 同步完成<br>请使用 m.daocloud.io/${IMAGE} 替代源镜像"
-        gh issue close ${{ github.event.issue.number }} --reason "completed"
+        ./hack/diff-image.sh "${IMAGE}" "m.daocloud.io/${IMAGE}"
+        if [[ $? -ne 0 ]]; then
+          gh issue comment ${{ github.event.issue.number }} -b "镜像 ${IMAGE} 同步失败"
+          gh issue edit ${{ github.event.issue.number }} --title "FAILED SYNC IMAGE ${IMAGE}"
+          gh issue close ${{ github.event.issue.number }} --reason "not planned"
+          exit 1
+        else
+          IMAGE=$(echo "${{ github.event.issue.body }}" | grep SYNC | awk '{print $2}' | head -n 1)
+          gh issue comment ${{ github.event.issue.number }} -b "镜像 ${IMAGE} 同步完成<br>请使用 m.daocloud.io/${IMAGE} 替代源镜像"
+          gh issue close ${{ github.event.issue.number }} --reason "completed"
+        fi
diff --git a/hack/diff-image.sh b/hack/diff-image.sh
index 7b1b8c5..77659ef 100755
--- a/hack/diff-image.sh
+++ b/hack/diff-image.sh
@@ -254,7 +254,7 @@ function diff-image() {
         increase=""
     fi
 
-    if [[ "${reduce}" != "" ]] || [[ "${increase}" != "" ]]; then
+    if [[ "${QUICKLY}" == "" ]] || [[ "${reduce}" != "" ]] || [[ "${increase}" != "" ]]; then
         echo "${SELF}: NOT-SYNCHRONIZED-TAGS: ${image1} and ${image2} are not in synchronized" >&2
         if [[ "${DEBUG}" == "true" ]]; then
             echo "DEBUG: image1 ${image1}:" >&2