update pod spec

Author: ljh

.gitignore

@@ -23,6 +23,7 @@ xcuserdata
 *.xcuserstate
 *.xcscmblueprint
 .idea
+.DS_Store
 
 ## Obj-C/Swift specific
 *.hmap

LKDBHelper.podspec.json

@@ -1,6 +1,6 @@
 {
   "name": "LKDBHelper",
-  "version": "2.4",
+  "version": "2.4.1",
   "summary": "全自动的插入,查询,更新,删除， an automatic database operation thread-safe and not afraid of recursive deadlock",
   "description": "全面支持 NSArray,NSDictionary, ModelClass, NSNumber, NSString, NSDate, NSData, UIColor, UIImage, CGRect, CGPoint, CGSize, NSRange, int,char,float, double, long.. 等属性的自动化操作(插入和查询)",
   "homepage": "https://github.com/li6185377/LKDBHelper-SQLite-ORM",
@@ -10,7 +10,7 @@
   },
   "source": {
     "git": "https://github.com/li6185377/LKDBHelper-SQLite-ORM.git",
-    "tag": "2.4"
+    "tag": "2.4.1"
   },
   "platforms": {
     "ios": "4.3",