diff --git a/web/api.py b/web/api.py
index 5588eda..a9e004d 100644
--- a/web/api.py
+++ b/web/api.py
@@ -782,8 +782,15 @@ async def api_spam_test(data: SpamTestPayload):
         "rule_counts": {"keywords": len(spam_detector.EXTERNAL_KEYWORD_RULES), "regex": len(spam_detector.EXTERNAL_REGEX_RULES), "adblock_domains": len(spam_detector.ADBLOCK_DOMAINS)},
     }
     if use_ai:
-        ai_is_spam, ai_reason = await spam_detector.detect(text)
-        result.update({"ai_is_spam": ai_is_spam, "ai_reason": ai_reason, "final_is_spam": ai_is_spam})
+        if decision is True:
+            result.update({"ai_is_spam": None, "ai_reason": "本地强规则已判定为垃圾，未额外调用 AI", "final_is_spam": True})
+        else:
+            ai_is_spam, ai_reason = await spam_detector.ai_classify(text)
+            final_is_spam = True if ai_is_spam else (bool(decision) if decision is not None else False)
+            if ai_is_spam and score < 75:
+                result["score"] = 80
+                result["reason"] = f"{reason}; AI加权判定"
+            result.update({"ai_is_spam": ai_is_spam, "ai_reason": ai_reason, "final_is_spam": final_is_spam})
     else:
         result["final_is_spam"] = bool(decision) if decision is not None else None
     return JSONResponse(result)