update

Author: jackzhenguo

README.md

@@ -2,10 +2,10 @@
 
 ## Today Update
   ### Array
-    #### 532 K-diff Pairs in an Array
+     532 K-diff Pairs in an Array
 	   * Github: [#532 K-diff Pairs in an Array](/Array/Array.Lib/FindPairsSln.cs)
 	   * CSDN: [#532 K-diff Pairs in an Array](http://blog.csdn.net/daigualu/article/details/71129806)
-	#### 217 Contains Duplicate
+	 217 Contains Duplicate
 	   * Github: [#217 Contains Duplicate](/Array/Array.Lib/ContainsItemSln.cs)
 	   * CSDN: [#217 Contains Duplicate](http://blog.csdn.net/daigualu/article/details/71123673)