diff --git a/.gitea/workflows/probe.yml b/.gitea/workflows/probe.yml
index f20a761..5502237 100644
--- a/.gitea/workflows/probe.yml
+++ b/.gitea/workflows/probe.yml
@@ -1,21 +1,20 @@
 name: 网络探测
 
-# 探测 runner 主机对各关键站点的出网连通性，结果写入 commit status
-# （公开仓库匿名可读：GET /repos/{owner}/{repo}/commits/{sha}/status）。
+# runner 环境盘点：出网连通性 + 基础工具链 + clone/装 uv 迷你实测，
+# 结果写入 commit status（公开仓库匿名可读）。
 # 改动本文件推送即触发。
 
 on:
   push:
     paths: ['.gitea/workflows/probe.yml']
+  workflow_dispatch:
 
 jobs:
   probe:
-    name: runner 出网探测
+    name: runner 环境探测
     runs-on: ubuntu-latest
     steps:
-      - name: 探测连通性并写入 commit status
-        env:
-          TOKEN: ${{ secrets.GITEA_TOKEN }}
+      - name: 工具链与连通性探测
         run: |
           SERVER="${GITHUB_SERVER_URL:-https://gitea.4i.hk}"
           post() {
@@ -26,11 +25,33 @@ jobs:
               "$SERVER/api/v1/repos/$GITHUB_REPOSITORY/statuses/$GITHUB_SHA" \
               -o /dev/null -w "probe/$1 = $2 (HTTP %{http_code})\n"
           }
+          inv() { command -v "$1" >/dev/null 2>&1 && echo yes || echo no; }
           code() { curl -s -m 8 -o /dev/null -w '%{http_code}' -L "$1"; }
-          post github     "$(code https://github.com)"                              success
-          post uv-release "$(code https://github.com/astral-sh/uv/releases/latest)" success
-          post pypi       "$(code https://pypi.org/simple/)"                        success
-          post tuna       "$(code https://pypi.tuna.tsinghua.edu.cn/simple/)"       success
-          post npm        "$(code https://registry.npmjs.org)"                      success
-          post npmmirror  "$(code https://registry.npmmirror.com)"                  success
-          post cf-api     "$(code https://api.cloudflare.com/client/v4)"            success
+
+          post python3  "$(python3 -V 2>/dev/null || echo absent)"
+          post pip      "$(inv pip)"
+          post pip3     "$(inv pip3)"
+          post uv       "$(inv uv)"
+          post git      "$(inv git)"
+          post npx      "$(inv npx)"
+          post pypi     "$(code https://pypi.org/simple/)"
+          post npmmirror "$(code https://registry.npmmirror.com)"
+
+          rm -rf /tmp/src
+          if git clone --depth=1 "$SERVER/$GITHUB_REPOSITORY.git" /tmp/src >/dev/null 2>&1; then
+            post clone ok
+          else
+            post clone fail
+          fi
+
+          if cd /tmp/src 2>/dev/null \
+             && { pip install uv >/dev/null 2>&1 \
+                  || pip3 install uv >/dev/null 2>&1 \
+                  || python3 -m pip install uv >/dev/null 2>&1; }; then
+            post pip-install-uv ok
+          else
+            post pip-install-uv fail
+          fi
+
+          UV_BIN="$(command -v uv || echo "$HOME/.local/bin/uv")"
+          post uv-version "$("$UV_BIN" --version 2>/dev/null || echo none)"