update bwType to string

liuxiaolong

2019-10-31 1a84b09fbcd1b1b00bd3590a0764b74f5984f147

 videoperson.proto

@@ -55,6 +55,6 @@
   string idCard               =9;
   string monitorLevel         =10;
   string content              =11;
    int32 bwType                =12;
    string bwType               =12;
}