mysql source 执行sql脚本，中文变量不显示问题或乱码问题

SET @pre_version=2017080901;
SET @cur_version=2017090401;
SET @ver_desc = ‘测试脚本‘;

CALL pro_exec_update_db_v_1(@pre_version,@cur_version,‘‘,1,0,‘‘);
CALL pro_exec_update_db_v_1(@pre_version,@cur_version,@ver_desc,2,0,‘‘);

DELIMITER |
drop procedure if exists pro_exec_update_db_v_1;
CREATE PROCEDURE pro_exec_update_db_v_1 
( 
npre_version INT,
ncur_version INT,
ver_desc	VARCHAR(1000),
pro_type INT,
nsql_type INT,
sql_str VARCHAR(4000)
)

BEGIN 

select ver_desc;
END;
|
DELIMITER ;