没有昵称时，展示手机号

game-service/src/main/java/awesome/group/game/service/bo/citrus/UserBo.java

@@ -37,6 +37,10 @@ public class UserBo {
         this.wxOpenId = u.getWxOpenId();
         this.createdAt = u.getCreatedAt().getTime();
 
+        if(!StringUtils.hasText(nickname)) {
+            this.nickname = replaceWithX(this.mobile);
+        }
+
         if (encrypt) {
             this.mobile = replaceWithX(this.mobile);
             this.aliPayAccount = replaceWithX(this.aliPayAccount);