diff --git a/sdk/agent/hook/hook_executor.py b/sdk/agent/hook/hook_executor.py
index b7ab81ccc8..df04f899e6 100644
--- a/sdk/agent/hook/hook_executor.py
+++ b/sdk/agent/hook/hook_executor.py
@@ -70,7 +70,7 @@ ACTION_TO_RPC: Dict[str, str] = {
     "set_avatar":           "setAvatar",
     "set_sex":              "setSex",
     "set_region":           "setRegion",
-    "set_whats_up":         "setWhatUp",
+    "set_what_up":          "setWhatUp",
 
     # ── H24 账号安全 ──
     "unblock_self":           "unblockSelf",
@@ -177,6 +177,8 @@ ACTION_TO_RPC: Dict[str, str] = {
 
     # ── 系统 ──
     "get_hook_status":    "getHookStatus",
+    "diag_sns":           "diagSns",
+    "diag_wcdb":          "diagWcdb",
     "get_process_info":   "getProcessInfo",
     "get_wechat_version": "getWechatVersion",
     "batch_execute":      "batchExecute",
diff --git a/sdk/agent/hook/wechat_hook_v2.js b/sdk/agent/hook/wechat_hook_v2.js
index 4db0ce9cd0..4b0743f480 100644
--- a/sdk/agent/hook/wechat_hook_v2.js
+++ b/sdk/agent/hook/wechat_hook_v2.js
@@ -445,6 +445,50 @@ rpc.exports = {
         }
     },
 
+    // 诊断：运行时反射枚举 8.0.69 朋友圈(SNS)发布/读取相关类与方法
+    // 用于在混淆版定位 post_moments(sns.model.ay 等价) / get_moments(m3.onGYNetEnd 等价) 真实类名。
+    diagSns: function (params) {
+        // 安全诊断：**禁用** Java.enumerateLoadedClassesSync（微信 10万+ 类，桥接枚举会阻塞
+        // agent 事件循环导致 WS 掉线 — 2026-05-30 实测）。改为「试探调用方提供的候选类名」：
+        //   params.candidates = ["com.tencent.mm.plugin.sns.model.xx", ...]（来自离线 apk/smali 分析）
+        // 对每个候选 Java.use + 反射方法名（最多 8 个，快速、不枚举），定位发/读朋友圈真实类。
+        var cands = (params && params.candidates) || [];
+        if (!cands || cands.length === 0) {
+            return {
+                success: false,
+                error: 'no_candidates',
+                hint: '运行时全量枚举已禁用（会致 WS 掉线）。请先离线对 8.0.69 apk 跑 jadx/baksmali 取候选类名，再传 params.candidates=[...] 试探。',
+            };
+        }
+        var lim = Math.min(cands.length, 8);
+        try {
+            return Java.performNow(function () {
+                var out = [];
+                for (var i = 0; i < lim; i++) {
+                    var cn = cands[i];
+                    var info = { cls: cn, exists: false, methods: [], ctors: 0, hasCommit: false };
+                    try {
+                        var k = Java.use(cn);
+                        info.exists = true;
+                        var ms = k.class.getDeclaredMethods();
+                        var names = {};
+                        for (var m = 0; m < ms.length; m++) {
+                            var mn = ms[m].getName();
+                            names[mn] = 1;
+                            if (mn.toLowerCase().indexOf('commit') >= 0) info.hasCommit = true;
+                        }
+                        info.methods = Object.keys(names).slice(0, 30);
+                        info.ctors = k.class.getDeclaredConstructors().length;
+                    } catch (e0) { info.err = String(e0); }
+                    out.push(info);
+                }
+                return { success: true, tested: lim, classes: out };
+            });
+        } catch (e) {
+            return { success: false, error: String(e) };
+        }
+    },
+
     getWechatVersion: function () {
         if (_wechatVersion) return { success: true, version: _wechatVersion };
         try {