diff --git a/packages/components/message/__tests__/message-manager.test.tsx b/packages/components/message/__tests__/message-manager.test.tsx
index f7dce61f795fe..b3b65ea32a7b9 100644
--- a/packages/components/message/__tests__/message-manager.test.tsx
+++ b/packages/components/message/__tests__/message-manager.test.tsx
@@ -59,7 +59,7 @@ describe('Message on command', () => {
     const getTopValue = (elm: Element): number =>
       Number.parseInt(getStyle(elm as HTMLElement, 'top'), 10)
 
-    const topValues = []
+    const topValues: number[] = []
     elements.forEach((e) => {
       topValues.push(getTopValue(e))
     })
diff --git a/packages/components/message/__tests__/message.test.ts b/packages/components/message/__tests__/message.test.ts
index 59f0934055b14..478f8852064e3 100644
--- a/packages/components/message/__tests__/message.test.ts
+++ b/packages/components/message/__tests__/message.test.ts
@@ -91,10 +91,8 @@ describe('Message.vue', () => {
       const type = 'some-type'
       const wrapper = _mount({ props: { type } })
 
-      for (const key in TypeComponentsMap) {
-        expect(wrapper.findComponent(TypeComponentsMap[key]).exists()).toBe(
-          false
-        )
+      for (const component of Object.values(TypeComponentsMap)) {
+        expect(wrapper.findComponent(component).exists()).toBe(false)
       }
       console.warn = consoleWarn
     })