fixed: sql server connect error

[xueanguo]

修复SQLServer链接错误 fix #2469

[LeoQuote]

麻烦确认使用SSL连接其他数据库，如 mysql 时，是否有问题，如果有问题的话，比较建议自行打 docker 镜像自己使用

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (23a4db7) 76.97% compared to head (8f542a9) 76.97%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2472   +/-   ##
=======================================
  Coverage   76.97%   76.97%           
=======================================
  Files         115      115           
  Lines       15945    15945           
=======================================
  Hits        12274    12274           
  Misses       3671     3671           

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