diff --git a/application/api/model/Family.php b/application/api/model/Family.php
index 0e61e0c..1d4da3a 100644
--- a/application/api/model/Family.php
+++ b/application/api/model/Family.php
@@ -80,7 +80,7 @@ class Family extends Model
         $myFamily['group_owner_info']['nickname_color'] = $Nobility['nick_name_color'];
 
         $myFamily['group_members_num'] = db::name('vs_user_sign')->where(['parent_user_id' => $user_id])->count();
-        $myFamily['group_earnings'] = db::name('vs_user_sign_earnings')->where('user_id',$user_id)->sum('earnings');
+        $myFamily['group_earnings'] = round(db::name('vs_user_sign_earnings')->where('user_id',$user_id)->sum('earnings'),4);
 
         $myFamilys = db::name('vs_family')->where(['user_id' => $user_id,'type' => 1])->find();