diff --git a/文本处理工具/剪贴板文本整理_mathpix.py b/文本处理工具/剪贴板文本整理_mathpix.py
index 6f0105cb..1a076d0d 100644
--- a/文本处理工具/剪贴板文本整理_mathpix.py
+++ b/文本处理工具/剪贴板文本整理_mathpix.py
@@ -198,6 +198,7 @@ data = re.sub(" ``","``",data)
 data = re.sub("'' ","''",data)
 
 #替换题号
+data = re.sub(r"例[\s]*","例",data)
 data = re.sub("(^[例]*[0-9]+[\s]*\.[\s]+)","\\n\\\\item ",data)
 data = re.sub("(^[例]*[0-9]+[\s]*、[\s]*)","\\n\\\\item ",data)
 data = re.sub("(\\n[例]*[0-9]+[\s]*\.[\s]+)","\\n\\\\item ",data)