删掉没用的包

src/main/java/com/stylefeng/guns/modular/biz/service/impl/TestServiceImpl.java

 package com.stylefeng.guns.modular.biz.service.impl;
 
-import com.alibaba.fastjson.JSON;
 import com.stylefeng.guns.common.annotion.DataSource;
 import com.stylefeng.guns.common.constant.DSEnum;
 import com.stylefeng.guns.common.persistence.dao.TestMapper;
@@ -8,7 +7,6 @@ import com.stylefeng.guns.common.persistence.model.Test;
 import com.stylefeng.guns.modular.biz.service.ITestService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 
 /**