[Fix] 优化了ctp接口py转换层的性能       1.使用特化版的strcpy_s，提升拷贝性能       2.避免重复的string拷贝
[Fix] 优化了ctp接口py转换层的性能
      1.使用特化版的strcpy_s，提升拷贝性能
      2.避免重复的string拷贝

andrewchenshx/vnpy,bigdig/vnpy,rrrrrr8/vnpy,rrrrrr8/vnpy,bigdig/vnpy,andrewchenshx/vnpy,vnpy/vnpy,andrewchenshx/vnpy,rrrrrr8/vnpy,andrewchenshx/vnpy,rrrrrr8/vnpy,vnpy/vnpy,msincenselee/vnpy,bigdig/vnpy,msincenselee/vnpy,msincenselee/vnpy,msincenselee/vnpy,andrewchenshx/vnpy,rrrrrr8/vnpy,rrrrrr8/vnpy,bigdig/vnpy