diff --git a/.gitea/workflows/mirror-to-gitee.yml b/.gitea/workflows/mirror-to-gitee.yml
new file mode 100644
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+++ b/.gitea/workflows/mirror-to-gitee.yml
@@ -0,0 +1,101 @@
+name: mirror-to-gitee
+
+# 把本仓（开源项目门户站）镜像到 Gitee 企业仓 <GITEE_OWNER>/<同名仓库>。
+# 触发：main 分支推送、v* tag 推送、手动；另有每日兜底重试。
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  schedule:
+    # Gitea Actions 的 cron 用 UTC：18:30 UTC = 次日 02:30 北京时间
+    - cron: '30 18 * * *'
+  workflow_dispatch:
+
+concurrency:
+  group: mirror-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  mirror:
+    runs-on: host
+    steps:
+      - name: 同步到 Gitee
+        env:
+          SRC_TOKEN: ${{ secrets.SRC_GIT_TOKEN }}
+          DST_TOKEN: ${{ secrets.GITEE_TOKEN }}
+          DST_OWNER: ${{ secrets.GITEE_OWNER }}
+          DST_USER: ${{ secrets.GITEE_USER }}
+        run: |
+          set -u
+
+          # 仓库名取当前仓；取不到时回退到单仓名
+          REPO_NAME="${GITHUB_REPOSITORY#*/}"
+          if [ -z "${REPO_NAME:-}" ] || [ "$REPO_NAME" = "${GITHUB_REPOSITORY:-}" ]; then
+            REPO_NAME="iotlcm"
+          fi
+
+          SRC="git.5iot.com/iotlcm-public/${REPO_NAME}.git"
+          DST="gitee.com/${DST_OWNER}/${REPO_NAME}.git"
+          echo "源：$SRC"
+          echo "目标：$DST"
+
+          # Gitee 不支持 push 建仓，目标仓不存在时先按企业 API 创建（已存在会报 400，忽略）
+          if ! git ls-remote "https://${DST_USER}:${DST_TOKEN}@${DST}" >/dev/null 2>&1; then
+            echo "目标仓不存在，尝试创建 ${DST_OWNER}/${REPO_NAME}"
+            curl -sS -X POST \
+              "https://gitee.com/api/v5/enterprises/${DST_OWNER}/repos?access_token=${DST_TOKEN}" \
+              -H 'Content-Type: application/json' \
+              -d "{\"name\":\"${REPO_NAME}\",\"auto_init\":false,\"description\":\"iotLCM 物联网卡全生命周期管理平台\"}" \
+              -o /tmp/repo-create.json -w '建仓 HTTP %{http_code}\n' || true
+            head -c 300 /tmp/repo-create.json 2>/dev/null; echo
+          else
+            echo "目标仓已存在"
+          fi
+
+          WORK=$(mktemp -d)
+          trap 'rm -rf "$WORK"' EXIT
+
+          git clone --mirror "https://jenkins:${SRC_TOKEN}@${SRC%/}" "$WORK/repo.git"
+          cd "$WORK/repo.git"
+          echo "本地 ref：$(git for-each-ref --format='%(refname:short)' | tr '\n' ' ')"
+
+          # Gitee 在推送密集时会返回 429 Pending queue overflowed / 408 Authorization server timeout，
+          # 属服务端限流，退避重试即可。
+          attempt=0
+          while [ "$attempt" -lt 5 ]; do
+            attempt=$((attempt + 1))
+            echo "----- 推送尝试 $attempt/5"
+            if git push --mirror "https://${DST_USER}:${DST_TOKEN}@${DST}" 2>&1; then
+              echo "✅ 已同步到 Gitee"
+
+              # 推送后校验：远端 main 与 tag 集合必须与本地一致
+              # （避免“绿了但其实没推上去” —— Gitee 限流时容易发生）
+              LOCAL_MAIN=$(git rev-parse refs/heads/main 2>/dev/null || true)
+              REMOTE_MAIN=$(git ls-remote "https://${DST_USER}:${DST_TOKEN}@${DST}" refs/heads/main | awk '{print $1}')
+              LOCAL_TAGS=$(git for-each-ref --format='%(refname:short)' refs/tags | sort | tr '\n' ' ')
+              REMOTE_TAGS=$(git ls-remote --tags "https://${DST_USER}:${DST_TOKEN}@${DST}" \
+                | awk '{print $2}' | sed 's#refs/tags/##' | grep -v '\^{}$' | sort | tr '\n' ' ')
+              echo "本地 main: ${LOCAL_MAIN:-<无>}"
+              echo "远端 main: ${REMOTE_MAIN:-<无>}"
+              echo "本地 tag: ${LOCAL_TAGS:-<无>}"
+              echo "远端 tag: ${REMOTE_TAGS:-<无>}"
+              if [ -n "$LOCAL_MAIN" ] && [ "$LOCAL_MAIN" != "$REMOTE_MAIN" ]; then
+                echo "❌ 校验失败：远端 main 与本地不一致"
+                exit 1
+              fi
+              if [ "${LOCAL_TAGS% }" != "${REMOTE_TAGS% }" ]; then
+                echo "❌ 校验失败：远端 tag 与本地不一致"
+                exit 1
+              fi
+              echo "✅ 校验通过：Gitee 端 main 与 tag 均已对齐"
+              exit 0
+            fi
+            wait_s=$((attempt * 30))
+            echo "推送失败，${wait_s}s 后重试"
+            sleep "$wait_s"
+          done
+
+          echo "❌ 连续 5 次推送失败，请检查 Gitee 状态或令牌"
+          exit 1