diff --git a/sources/tech/20170308 Many SQL Performance Problems Stem from  Unnecessary, Mandatory Work.md b/sources/tech/20170308 Many SQL Performance Problems Stem from  Unnecessary, Mandatory Work.md
index faf9a5ee28..b48182f037 100644
--- a/sources/tech/20170308 Many SQL Performance Problems Stem from  Unnecessary, Mandatory Work.md	
+++ b/sources/tech/20170308 Many SQL Performance Problems Stem from  Unnecessary, Mandatory Work.md	
@@ -1,5 +1,3 @@
-申请翻译
-
 Many SQL Performance Problems Stem from “Unnecessary, Mandatory Work”
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