diff --git a/.gitea/workflows/ci-cd.yml b/.gitea/workflows/ci-cd.yml
index 2b7373ebb..9f5937a35 100755
--- a/.gitea/workflows/ci-cd.yml
+++ b/.gitea/workflows/ci-cd.yml
@@ -376,7 +376,7 @@ jobs:
     timeout-minutes: 30
     needs: [validate, frontend-lint]
 
-    if: github.ref_name == 'main' || github.ref_name == 'develop' || startsWith(github.ref_name, 'feature/')
+    if: github.ref_name == 'main' || github.ref_name == 'develop'
 
     steps:
     - name: Checkout code
@@ -424,6 +424,20 @@ jobs:
                     tar.extract(member, '.')
         INNERPY
 
+    - name: Determine image tag based on branch
+      shell: sh
+      run: |
+        set -eu
+        if [ "${GITHUB_REF_NAME}" = "develop" ]; then
+          # develop 分支：固定 dev tag，覆盖推送，不累积版本
+          echo "IMAGE_TAG=dev" >> "$GITHUB_ENV"
+          echo "Mode: develop → :dev tag (overwrite, no accumulation)"
+        else
+          # main 分支：用 commit SHA 作为 tag
+          echo "IMAGE_TAG=${GITHUB_SHA}" >> "$GITHUB_ENV"
+          echo "Mode: ${GITHUB_REF_NAME} → :${GITHUB_SHA} tag"
+        fi
+
     - name: Build and push all images to Gitea Registry
       shell: sh
       env:
@@ -432,7 +446,7 @@ jobs:
         set -eu
         chmod +x scripts/build_release_images.sh
         ALLOW_SHARED_PRODUCTION_BUILD_HOST=true REGISTRY_TOKEN="${REGISTRY_TOKEN}" \
-          scripts/build_release_images.sh "${GITHUB_SHA}" staging
+          scripts/build_release_images.sh "${IMAGE_TAG}" staging
 
     - name: Tag and push :staging images (Watchtower auto-update)
       shell: sh
@@ -445,7 +459,7 @@ jobs:
           printf '%s' "${REGISTRY_TOKEN}" | docker login git.xiaoxiajianji.com -u xiaoxia --password-stdin 2>/dev/null
         fi
         for svc in api worker web; do
-          docker tag "${REGISTRY}/xiaoxia-saas-${svc}:${GITHUB_SHA}" "${REGISTRY}/xiaoxia-saas-${svc}:staging"
+          docker tag "${REGISTRY}/xiaoxia-saas-${svc}:${IMAGE_TAG}" "${REGISTRY}/xiaoxia-saas-${svc}:staging"
           docker push "${REGISTRY}/xiaoxia-saas-${svc}:staging"
         done
         echo "All :staging images pushed. Watchtower will auto-deploy within 60s."