diff --git a/README.md b/README.md
index 353e429..547c10f 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,7 @@ docker compose down
 | `bun run start` | 直接运行 `src/server.ts` |
 | `bun run start:prod` | 先类型检查再启动 |
 | `bun run install:opencode` | 手动安装 `.opencode` 依赖 |
+| `bun run pipeline:trigger` | 通过更新远端 tag 触发 Gitea CI/CD（默认优先 `gitea`，否则回退到 `origin`；tag=`latest`） |
 
 ### 模型与 API 配置
 
@@ -309,4 +310,3 @@ OPENCODE_CLIENT_BASE_URL=http://127.0.0.1:4096
 ```
 
 配置后，`TJWaterAgent` 会连接该外部 opencode server，而不是自行启动 embedded opencode server。
-
diff --git a/package.json b/package.json
index cbac32b..130f5b8 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "dev": "bun --watch src/server.ts",
     "build": "bun run check",
     "check": "bun run typecheck && bun run typecheck:opencode",
-    "push": "git add . && git commit -m \"chore: update\" && git push origin main",
+    "pipeline:trigger": "bash scripts/trigger-gitea-pipeline.sh",
     "start": "bun src/server.ts",
     "start:prod": "bun run check && bun src/server.ts"
   },
diff --git a/scripts/trigger-gitea-pipeline.sh b/scripts/trigger-gitea-pipeline.sh
new file mode 100644
index 0000000..579372f
--- /dev/null
+++ b/scripts/trigger-gitea-pipeline.sh
@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+  echo "Usage: bash scripts/trigger-gitea-pipeline.sh [remote] [tag]"
+  echo ""
+  echo "Examples:"
+  echo "  bash scripts/trigger-gitea-pipeline.sh"
+  echo "  bash scripts/trigger-gitea-pipeline.sh gitea latest"
+  echo "  bash scripts/trigger-gitea-pipeline.sh origin latest"
+  echo "  bash scripts/trigger-gitea-pipeline.sh gitea v2026.05.15.1"
+  exit 0
+fi
+
+resolve_default_remote() {
+  if git remote get-url gitea >/dev/null 2>&1; then
+    echo "gitea"
+    return 0
+  fi
+
+  if git remote get-url origin >/dev/null 2>&1; then
+    echo "origin"
+    return 0
+  fi
+
+  return 1
+}
+
+REMOTE="${1:-}"
+TAG="${2:-latest}"
+
+if ! git rev-parse --git-dir >/dev/null 2>&1; then
+  echo "[ERROR] Current directory is not a git repository."
+  exit 1
+fi
+
+if [[ -z "$REMOTE" ]]; then
+  if ! REMOTE="$(resolve_default_remote)"; then
+    echo "[ERROR] No default remote found. Expected 'gitea' or 'origin'."
+    echo "Available remotes:"
+    git remote -v || true
+    exit 1
+  fi
+fi
+
+if ! git remote get-url "$REMOTE" >/dev/null 2>&1; then
+  echo "[ERROR] Remote '$REMOTE' does not exist."
+  echo "Available remotes:"
+  git remote -v
+  exit 1
+fi
+
+HEAD_SHA="$(git rev-parse --short HEAD)"
+MESSAGE="manual trigger: ${TAG} $(date '+%F %T')"
+
+echo "[INFO] HEAD: ${HEAD_SHA}"
+echo "[INFO] Recreate annotated tag '${TAG}'"
+git tag -fa "$TAG" -m "$MESSAGE"
+
+echo "[INFO] Push '${TAG}' to remote '${REMOTE}' (force update)"
+git push "$REMOTE" "refs/tags/${TAG}" --force
+
+echo "[INFO] Verify remote tag reference"
+git ls-remote --tags "$REMOTE" "refs/tags/${TAG}"
+
+echo "[DONE] Pipeline trigger request sent by updating tag '${TAG}'."