diff --git a/serve/app/controller/Main.php b/serve/app/controller/Main.php
index 3c892da4028f89fedcaee81aeb2550fb22c66f2f..b32b154923a255f994eb197448a72b9ff91dad83 100644
--- a/serve/app/controller/Main.php
+++ b/serve/app/controller/Main.php
@@ -24,7 +24,7 @@ class Main extends Acl{
        
         $lattice['sve']=[
             'today'=>empty($group['today']['sell']['actual'])?0:floatval($group['today']['sell']['actual']),
-            'yesterday'=>empty($group['yesterday']['sell']['actual'])?0:$group['yesterday']['sell']['actual'],
+            'yesterday'=>empty($group['yesterday']['sell']['actual'])?0:floatval($group['yesterday']['sell']['actual']),
         ];
         $lattice['nos']=[
             'today'=>[