修复添加问题

game-business/src/main/java/com/game/business/controller/AppUserAgentController.java

@@ -97,7 +97,7 @@ public class AppUserAgentController extends BaseController
 
         //更新上级团队人数
         String subset =  dbPuserAgent.getSubset();
-        if(StringUtils.isNotBlank("subset")){
+        if(StringUtils.isNotBlank(subset)){
             subset = subset.concat(",");
         }
         subset = subset.concat(String.valueOf(appUser.getUserid()));