客户端个人中心---操作日志，条件查询 根据条件查询为空后，再次查询无效

blade-service/blade-business/src/main/java/org/springblade/business/controller/OperationLogController.java

@@ -120,7 +120,9 @@ public class OperationLogController extends BladeController {
 	@ApiOperationSupport(order = 1)
 	@ApiOperation(value = "分页")
 	public R<IPage<OperationLogVO>> list(OperationLogVO operationLog, Query query) {
-
+		if ("".equals(operationLog.getOperationMedium())){
+			operationLog.setOperationMedium(null);
+		}
 		operationLog.setCreateUser(AuthUtil.getUserId());
 		QueryWrapper<OperationLog> wrapper = Condition.getQueryWrapper(operationLog);
 		if(StringUtils.isNotEmpty(operationLog.getStartTime()) && StringUtils.isNotEmpty(operationLog.getEndTime())){