diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 4f69a43..99e5673 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
   # ── Job 1: Lint (shellcheck) ─────────────────────────────────────────────
   lint:
     name: Lint — shellcheck
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -59,7 +59,7 @@ jobs:
   # ── Job 2: OpenAPI Sync Check ────────────────────────────────────────────
   openapi-check:
     name: OpenAPI Sync Check
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -76,7 +76,7 @@ jobs:
   # ── Job 3: Redline Word Scan (脱敏) ──────────────────────────────────────
   redline-scan:
     name: Redline Scan — 脱敏 (UI 文案)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -87,7 +87,7 @@ jobs:
   # ── Job 4: Flutter 客户端(分析 + 单测/组件测试)────────────────────────
   flutter-client:
     name: Flutter — analyze + test
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -110,7 +110,7 @@ jobs:
   # 规则与豁免见 ci/scan-portable-sql.sh 头注 + docs/dev-conventions.html 支柱 3。
   portable-sql-scan:
     name: Portable SQL — 可移植性 (mysql/sqlite)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -123,7 +123,7 @@ jobs:
   # (改了 design/colors_and_type.css 没重生成,或手改了生成物)。
   codegen-drift:
     name: Codegen Drift — token 生成物未漂移
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -140,7 +140,7 @@ jobs:
   # -tags integration(需 docker 起 mysql/redis),见 go-integration job。
   go-server:
     name: Go — build + test
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -166,7 +166,7 @@ jobs:
   # 详见 scripts/e2e-smoke.sh + server/test/e2e/。
   e2e-smoke:
     name: E2E Smoke — L4 进程级端到端
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -190,7 +190,7 @@ jobs:
   #   · -p 1 串行:一次只起一个 mysql 容器,避免并发把 Docker Desktop 压垮/端口资源争用。
   go-integration:
     name: Go — integration (mysql/redis testcontainers)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -205,7 +205,7 @@ jobs:
   # tablet/desktop-stats golden 与 stats-overhaul 工作区耦合,待其合并后并入本 job。
   golden:
     name: Golden — 视觉回归 (components + auth)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.gitea/workflows/deploy-server.yml b/.gitea/workflows/deploy-server.yml
index 5614d2b..b478b5c 100644
--- a/.gitea/workflows/deploy-server.yml
+++ b/.gitea/workflows/deploy-server.yml
@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   deploy-server:
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.gitea/workflows/deploy-site.yml b/.gitea/workflows/deploy-site.yml
index 992051f..f7ea740 100644
--- a/.gitea/workflows/deploy-site.yml
+++ b/.gitea/workflows/deploy-site.yml
@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   deploy-site:
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4