沪镍2509的1分钟k线图，获取到的和期货软件上的不同，是不是天勤出现了bug
阳线 datetime id open high low close volume open_oi close_oi symbol duration
0 1.748568e+18 75326.0 121450.0 121450.0 121390.0 121400.0 11.0 20666.0 20667.0 SHFE.ni2509 60
1 1.748568e+18 75327.0 121400.0 121420.0 121380.0 121400.0 13.0 20667.0 20666.0 SHFE.ni2509 60
2 1.748568e+18 75328.0 121400.0 121420.0 121400.0 121410.0 3.0 20666.0 20665.0 SHFE.ni2509 60
4 1.748569e+18 75330.0 121450.0 121450.0 121410.0 121410.0 2.0 20662.0 20661.0 SHFE.ni2509 60
.. … … … … … … … … … … …
195 1.748588e+18 75521.0 121430.0 121450.0 121400.0 121410.0 21.0 20511.0 20504.0 SHFE.ni2509 60
196 1.748588e+18 75522.0 121410.0 121460.0 121410.0 121440.0 22.0 20504.0 20509.0 SHFE.ni2509 60
197 1.748588e+18 75523.0 121440.0 121540.0 121440.0 121480.0 52.0 20509.0 20485.0 SHFE.ni2509 60
198 1.748588e+18 75524.0 121480.0 121480.0 121420.0 121460.0 10.0 20485.0 20481.0 SHFE.ni2509 60
199 1.748588e+18 75525.0 121460.0 121510.0 121430.0 121510.0 37.0 20481.0 20461.0 SHFE.ni2509 60
