WXLaunchMiniProgramReq *request = [[WXLaunchMiniProgramReq alloc] init];
request.userName = @"gh_aab39b5699a9";//拉起的小程序的username
request.path = @"";
request.miniProgramType = 0;
[WXApi sendReq:request completion:^(BOOL success) {
if (success) {
DLog(@"成功拉起微信");
} else {
}
}];