Merge branch 'QQ3' into gray

 datasources:
    yoho_activity:
-      servers:
-        - ${jdbc.mysql.yohoactivity.master}
-        - ${jdbc.mysql.yohoactivity.slave}
-      username: ${jdbc.mysql.yohoactivity.username}
-      password: ${jdbc.mysql.yohoactivity.password}
+      username: ${jdbc.mysql.cobar.username}
+      password: ${jdbc.mysql.cobar.password}
+      cobar: true
+      maxConnections: 80
+      minIdle: 20
+      maxIdle: 40
 
    yh_lottery:
-      servers:
-        - ${jdbc.mysql.yhlottery.master}
-        - ${jdbc.mysql.yhlottery.slave}
-      username: ${jdbc.mysql.yhlottery.username}
-      password: ${jdbc.mysql.yhlottery.password}
+      username: ${jdbc.mysql.cobar.username}
+      password: ${jdbc.mysql.cobar.password}
+      cobar: true
+      maxConnections: 80
+      minIdle: 20
+      maxIdle: 40
       daos:
         - com.yoho.lottery.dal.GiftMapper
         - com.yoho.lottery.dal.LotteryMapper