diff --git a/src/components/Drawer/src/BasicDrawer.vue b/src/components/Drawer/src/BasicDrawer.vue
index 05bd2fba19d..ba1d5e516d5 100644
--- a/src/components/Drawer/src/BasicDrawer.vue
+++ b/src/components/Drawer/src/BasicDrawer.vue
@@ -135,7 +135,9 @@
     (open) => {
       nextTick(() => {
         emit('open-change', open);
-        instance && drawerInstance.emitOpen?.(open, instance.uid);
+        if (instance && drawerInstance.emitOpen) {
+          drawerInstance.emitOpen(open, instance.uid);
+        }
       });
     },
   );