修改202COV错误

src/swift/SWFPage2.js

@@ -144,7 +144,7 @@ export  class SWFPage extends Component
          {
              mty='202'
              //s119=':119:COV\r\n'  锦州
-             s119 = '{:119:COV}'
+             s119 = '{119:COV}'
              header3 = `{3:${s119}}`
          }   
         //锦州  message = `:MT:${mty}\r\n:IO:${this.props.rcv_bic_info.rcv_bic}\r\n:II:${this.props.snd_bic_info.snd_bic}\r\n:MP:N\r\n${s119}${gpistr}:EOH:\r\n${message}\r\n-\r\n`