diff --git a/deploy/profile-scripts/batch_reassess.py b/deploy/profile-scripts/batch_reassess.py
index 1bc1c211..53c0005a 100644
--- a/deploy/profile-scripts/batch_reassess.py
+++ b/deploy/profile-scripts/batch_reassess.py
@@ -326,7 +326,10 @@ def parse_response(text):
     return result
 
 def save_result(code, full_text, parsed):
-    """保存LLM结果到DB（先快照再UPDATE）"""
+    """保存LLM结果到DB（先快照再UPDATE）。空分析拒绝写入。"""
+    if not (full_text or "").strip():
+        print(f"  \u274c 拒绝写入空分析（LLM输出为空，保护已有数据）")
+        return
     conn = sqlite3.connect(DB)
     now = datetime.now().isoformat()
     
@@ -410,8 +413,8 @@ def process_stock(code, force_today=False):
     # ── 使用共享 LLM 客户端（替代 curl subprocess）──
     result = call_llm(prompt, model=REASSESS_MODEL, max_tokens=4096)
     
-    if not result["ok"]:
-        print(f"  \u274c LLM调用失败: {result.get('error','未知错误')}")
+    if not result["ok"] or not (result.get("content") or "").strip():
+        print(f"  \u274c LLM调用失败或空输出: {result.get('error') or 'empty content'}")
         return False
     
     full_text = result["content"]