diff --git a/.github/workflows/issues.yml b/.github/workflows/issues.yml
index b85db292..4b4d5f98 100644
--- a/.github/workflows/issues.yml
+++ b/.github/workflows/issues.yml
@@ -35,16 +35,19 @@ jobs:
       - name: Handle closed issues
         if: github.event.action == 'closed'
         run: |
+          existing_labels=$(curl -s -H "Authorization: token ${{ secrets.SHEEP }}" -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }} | jq -r '.labels | map(.name) | join(",")')
           if [[ "${{ github.event.issue.state_reason }}" == "duplicate" ]]; then
+            new_labels="$existing_labels,❌ 重复"
             curl -X PATCH \
               -H "Authorization: token ${{ secrets.SHEEP }}" \
               -H "Accept: application/vnd.github.v3+json" \
               https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }} \
-              -d '{"labels": ["❌ 重复"]}'
+              -d '{"labels": ["'$new_labels'"]}'
           elif [[ "${{ github.event.issue.state_reason }}" == "completed" ]]; then
+            new_labels="$existing_labels,👌 完成"
             curl -X PATCH \
               -H "Authorization: token ${{ secrets.SHEEP }}" \
               -H "Accept: application/vnd.github.v3+json" \
               https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }} \
-              -d '{"labels": ["👌 完成"]}'
+              -d '{"labels": ["'$new_labels'"]}'
           fi