diff --git a/doc/Market.py b/doc/Market.py
index 57afeb39..400c2d72 100644
--- a/doc/Market.py
+++ b/doc/Market.py
@@ -347,7 +347,7 @@ class Market(object):
                     ['quality_filter', 0, '品阶顾虑'],
                     ['durability_filter', 0, '能量过滤'],
                     ['price_filter', '', '价格过滤(用|分割)'],
-                    ['amount_filter', '', '数量过滤(low:top)']
+                    ['amount_filter', '', '数量过滤(低|高)']
                 ],
                 'response': [
                     _common.RspHead(),