diff --git a/types/alert.d.ts b/types/alert.d.ts
index 670cee991..169811919 100644
--- a/types/alert.d.ts
+++ b/types/alert.d.ts
@@ -26,6 +26,6 @@ export declare class ElAlert extends ElementUIComponent {
   /** If a type icon is displayed */
   showIcon: boolean
 
-  /** Choose theme */
-  theme: AlertEffect
+  /** Choose effect */
+  effect: AlertEffect
 }