add bonus_update_time

helper/predeposit_helper.php

@@ -228,7 +228,7 @@ class predeposit_helper
             }
         }
 
-        if($fUpdate)
+        if($fUpdate || $this->need_update())
         {
             $mod_bonus = Model('user_bonus');
             $this->mRates = new RateMoney(array());
@@ -249,6 +249,19 @@ class predeposit_helper
             }
             $this->write_rates($this->mBonusState,$bonus_rate);
             $this->mRates->clean();
+            $_SESSION['bonus_update_time'] = time();
+        }
+    }
+
+    private function need_update()
+    {
+        if(!isset($_SESSION['bonus_update_time'])) return true;
+
+        $time = intval($_SESSION['bonus_update_time']);
+        if(time() - $time > 86400) {
+            return true;
+        } else {
+            return false;
         }
     }