diff --git a/webapp/models/DynData.php b/webapp/models/DynData.php
index 10712999..3a748fa8 100644
--- a/webapp/models/DynData.php
+++ b/webapp/models/DynData.php
@@ -109,6 +109,9 @@ class DynData extends BaseModel {
                  'modifytime' => myself()->_getNowTime()
              )
             );
+        if (self::$dynData) {
+            self::$dynData[$key] = $defVal;
+        }
     }
 
     private static $dynData = null;