diff --git "a/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/2. \346\261\202\345\222\214/sum.md" "b/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/2. \346\261\202\345\222\214/sum.md"
index c8577bd20cdd450231d13d5f91401684e66f2ce8..ae6ee7dea93f73be771acd693c0e5f899428ae6f 100644
--- "a/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/2. \346\261\202\345\222\214/sum.md"	
+++ "b/data/2.MySQL\344\270\255\351\230\266/4.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/2. \346\261\202\345\222\214/sum.md"	
@@ -47,5 +47,5 @@ select sum(total) from orders group by deal having unit_price > 1000;
 ### C
 
 ```sql
-select sum(total) from orders having deal and unit_price > 1000;
+select sum(total) from orders order by deal and unit_price > 1000;
 ```
\ No newline at end of file