fix 支付优化

mec-student/src/main/java/com/ym/mec/student/controller/SporadicChargeInfoController.java

@@ -89,7 +89,7 @@ public class SporadicChargeInfoController extends BaseController {
 		}
 		Map payMap = musicGroupService.sporadicPay(sporadicPayDto);
 		if(payMap.containsKey("tradeState")){
-			return failed(HttpStatus.CREATED, "恭喜您,购买成功!");
+			return failed(HttpStatus.CREATED, "恭喜您,支付成功!");
 		}
 		return succeed(payMap);
 	}