diff --git a/pc-sdk-probe.sh b/pc-sdk-probe.sh
index fd0a04a..78aca6c 100755
--- a/pc-sdk-probe.sh
+++ b/pc-sdk-probe.sh
@@ -81,6 +81,45 @@ cat <<'EOF'
     }
     return undefined;
   };
+  window.__deployTestAuthState = async () => {
+    const state = {
+      href: window.location.href,
+      hash: window.location.hash,
+      userID: await window.__deployTestReadLocalForage("IM_USERID"),
+      hasIMToken: Boolean(await window.__deployTestReadLocalForage("IM_TOKEN")),
+      hasChatToken: Boolean(await window.__deployTestReadLocalForage("IM_CHAT_TOKEN")),
+      counts: { ...counts },
+    };
+    console.log("[probe] auth state", state);
+    return state;
+  };
+  if (!window.__deployTestXHRWrapped) {
+    const originalOpen = XMLHttpRequest.prototype.open;
+    const originalSend = XMLHttpRequest.prototype.send;
+    XMLHttpRequest.prototype.open = function (method, url, ...args) {
+      this.__deployTestRequest = { method, url, startedAt: Date.now() };
+      return originalOpen.call(this, method, url, ...args);
+    };
+    XMLHttpRequest.prototype.send = function (...args) {
+      const req = this.__deployTestRequest;
+      if (req) {
+        this.addEventListener("loadend", () => {
+          if (String(req.url).includes("/account/login") || String(req.url).includes("/auth/get_user_token")) {
+            console.log("[probe xhr]", {
+              method: req.method,
+              url: req.url,
+              status: this.status,
+              ms: Date.now() - req.startedAt,
+              response: String(this.responseText || "").slice(0, 500),
+            });
+          }
+        });
+      }
+      return originalSend.apply(this, args);
+    };
+    window.__deployTestXHRWrapped = true;
+    console.log("[probe] XMLHttpRequest: wrapped");
+  }
   window.__deployTestListBrowserDBs = async () => {
     const dbs = indexedDB.databases ? await indexedDB.databases() : [];
     console.log("[probe] indexedDB databases", dbs);
@@ -179,4 +218,8 @@ await window.__deployTestResetBrowserStorage()
 3. 重新粘贴本脚本输出的整段 JS（刷新会清掉已安装的 probe）
 4. 再登录
 5. 观察 counts 是否从 0 变 1，以及 /var/log/nginx/openim-pc-proxy-access.log 是否出现 /msg_gateway
+
+如果 counts 仍为 0，查看业务登录链路状态：
+
+await window.__deployTestAuthState()
 EOF