diff --git a/plugins/AIChat/main.py b/plugins/AIChat/main.py
index 311d846..e3ef34a 100644
--- a/plugins/AIChat/main.py
+++ b/plugins/AIChat/main.py
@@ -880,25 +880,6 @@ class AIChat(PluginBase):
         if strip_thinking and cleaned and self._contains_thinking_markers(cleaned):
             return ""
 
-        # 长度限制：避免刷屏/上下文污染
-        max_chars = output_cfg.get("max_reply_chars")
-        try:
-            max_chars = int(max_chars) if max_chars is not None else 0
-        except Exception:
-            max_chars = 0
-
-        if max_chars and max_chars > 0 and cleaned and len(cleaned) > max_chars:
-            trimmed = cleaned[:max_chars].rstrip()
-            # 尽量在句末截断，避免半句被硬切（仍保证不超过上限）
-            cut_idx = -1
-            for ch in ("。", "！", "？", "!", "?", "\n"):
-                idx = trimmed.rfind(ch)
-                if idx > cut_idx:
-                    cut_idx = idx
-            if cut_idx >= max_chars * 0.5:
-                trimmed = trimmed[:cut_idx + 1].rstrip()
-            cleaned = trimmed
-
         if cleaned:
             return cleaned