fix 初次直接返回qrcode

Src/Dlhis.Basic/Organization/Services/Implements/GainfoQrCodeService.cs

@@ -41,6 +41,7 @@ public class GainfoQrCodeService : IGainfoQrCodeService
             };
 
             await _dbContext.InsertAsync(gainfoQrCode);
+            return gainfoQrCode.QrCode;
         }
 
         var setting = await _factorySettingService.GetFactorySettingAsync(factory, false);