diff --git a/source/conf.py b/source/conf.py
index 01ba127..052c3cb 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -117,7 +117,6 @@ try:
 except Exception as e:
     print(f"⚠️ Mermaid 初始化失败: {e}")
     print("⚠️ 图表将显示为代码块，请安装 Chrome 和 mermaid-cli")
-    extensions.discard('sphinxcontrib.mermaid')
 
 # ================= CHM特化配置 =================
 if is_chm_build: