diff --git a/deploy/profile-scripts/llm_client.py b/deploy/profile-scripts/llm_client.py
index 85fb3495..686bcd24 100644
--- a/deploy/profile-scripts/llm_client.py
+++ b/deploy/profile-scripts/llm_client.py
@@ -290,38 +290,18 @@ def call_llm(prompt, model=None, max_tokens=4096, timeout=150,
                 ok, result = _post(ch_url, ch_headers, payload, timeout)
                 elapsed = time.monotonic() - t0
                 if ok:
-                    # ── 空输出视为失败：先同 key 升 FALLBACK_MODEL(pro)，仍空则不返回，
-                    #    落到外循环切下一个 key（2026-07-22 实测：空输出会"假成功"阻断轮换）──
+                    # ── 空输出视为失败（2026-08-14 老莫：不换pro，OCG router 内部空输出自动换 key）──
+                    # ocg_router 已内置空输出检测（_forward_request 检测 content 为空 → 自动换下一个 key）
+                    # llm_client 不再升级 pro，空输出直接失败（依赖 ocg_router 换 key）
                     if not result.strip():
                         # SenseNova 不托管 deepseek-v4-pro（404），空输出直接切下一通道
                         if ch_name == "sensenova":
                             print(f"  [LLM] {ch_name} 空输出视为失败，切换下一通道...", flush=True)
                             last_err = "empty content"
                             continue
-                        if model_name != FALLBACK_MODEL and ch_name.startswith("ocg"):
-                            print(f"  [LLM] {ch_name} {model_name} 空输出({elapsed:.1f}s)，"
-                                  f"升级 {FALLBACK_MODEL} 重试...", flush=True)
-                            esc_payload = json.dumps({
-                                "model": FALLBACK_MODEL, "messages": messages,
-                                "max_tokens": max_tokens,
-                            }).encode()
-                            try:
-                                ok2, result2 = _post(ch_url, ch_headers, esc_payload, timeout)
-                                total_attempts += 1
-                                if ok2 and result2.strip():
-                                    print(f"  [LLM] 升级 {FALLBACK_MODEL} 成功, 输出{len(result2)}字", flush=True)
-                                    return {
-                                        "ok": True, "content": result2, "error": None,
-                                        "model": FALLBACK_MODEL,
-                                        "elapsed": time.monotonic() - t_start,
-                                        "attempts": total_attempts, "channel": ch_name + "+esc",
-                                    }
-                                print(f"  [LLM] {ch_name} 升级 {FALLBACK_MODEL} 仍空", flush=True)
-                            except Exception as e2:
-                                print(f"  [LLM] 升级 {FALLBACK_MODEL} 异常: {str(e2)[:100]}", flush=True)
-                        # 仍空 → 不 return，作为本通道失败处理，外循环切下一个 key
+                        # ocg_router 通道：空输出视为失败（ocg_router 内部已自动换 key 重试，到这说明所有 key 都空）
                         last_err = "empty content"
-                        print(f"  [LLM] {ch_name} 空输出视为失败，切换下一 key...", flush=True)
+                        print(f"  [LLM] {ch_name} 空输出视为失败，切换下一通道...", flush=True)
                         continue
                     print(f"  [LLM] {ch_name} 尝试{attempt+1}/{retries+1} 成功, "
                           f"{elapsed:.1f}s, 输出{len(result)}字, model={model_name}", flush=True)