diff --git a/pages/API/set-navigation-bar-title/set-navigation-bar-title.test.js b/pages/API/set-navigation-bar-title/set-navigation-bar-title.test.js
index d16c75a23fcfb80571a41b5679169b5413977046..1694c811a1104dc9dfafe8ecab95930329c6a0ef 100644
--- a/pages/API/set-navigation-bar-title/set-navigation-bar-title.test.js
+++ b/pages/API/set-navigation-bar-title/set-navigation-bar-title.test.js
@@ -16,11 +16,16 @@ describe("setNavigationBarColor", () => {
     expect(lifeCycleNum).toBe(originLifeCycleNum);
   });
 
-  it("setNavigationBarTitle", async () => {
-    await page.callMethod("setNavigationBarTitle");
+  it("setNavigationBarNewTitle", async () => {
+    await page.callMethod("setNavigationBarNewTitle");
     const image = await program.screenshot();
     expect(image).toMatchImageSnapshot();
     const lifeCycleNum = await page.callMethod("getLifeCycleNum");
     expect(lifeCycleNum - originLifeCycleNum).toBe(2);
   });
+  it("setNavigationBarLongTitle", async () => {
+    await page.callMethod("setNavigationBarLongTitle");
+    const image = await program.screenshot();
+    expect(image).toMatchImageSnapshot();
+  });
 });
diff --git a/pages/API/set-navigation-bar-title/set-navigation-bar-title.uvue b/pages/API/set-navigation-bar-title/set-navigation-bar-title.uvue
index 5f917f3190b5911750b37f11499a7ee2b8c3ac69..00f2e8e11c09fcfcce3ac13a134db60628b5a4cc 100644
--- a/pages/API/set-navigation-bar-title/set-navigation-bar-title.uvue
+++ b/pages/API/set-navigation-bar-title/set-navigation-bar-title.uvue
@@ -2,8 +2,11 @@
   <view>
     <page-head title="setNavigationBarTitle"></page-head>
     <view class="uni-padding-wrap uni-common-mt">
-      <button @tap="setNavigationBarTitle" class="uni-btn">
-        设置当前页面的标题为 {{ newTitle }}
+      <button @tap="setNavigationBarNewTitle" class="uni-btn">
+        设置当前页面标题为: {{ newTitle }}
+      </button>
+      <button @tap="setNavigationBarLongTitle" class="uni-btn">
+        设置超长标题
       </button>
     </view>
   </view>
@@ -15,11 +18,12 @@ import { state, setLifeCycleNum } from '@/store/index.uts'
 export default {
   data(){
     return {
-      newTitle: 'new title'
+      newTitle: 'new title',
+      longTitle: 'long title long title long title long title long title long title long title long title long title long title'
     }
   },
   methods: {
-    setNavigationBarTitle() {
+    setNavigationBarNewTitle() {
       uni.setNavigationBarTitle({
         title: this.newTitle,
         success() {
@@ -27,7 +31,7 @@ export default {
           this.setLifeCycleNum(state.lifeCycleNum + 1)
         },
         fail() {
-          console.log('setNavigationBarTitle success')
+          console.log('setNavigationBarTitle fail')
           this.setLifeCycleNum(state.lifeCycleNum - 1)
         },
         complete() {
@@ -36,6 +40,20 @@ export default {
         }
       })
     },
+    setNavigationBarLongTitle() {
+      uni.setNavigationBarTitle({
+        title: this.longTitle,
+        success() {
+          console.log('setNavigationBarTitle success')
+        },
+        fail() {
+          console.log('setNavigationBarTitle fail')
+        },
+        complete() {
+          console.log('setNavigationBarTitle complete')
+        }
+      })
+    },
     // 自动化测试
     getLifeCycleNum(): number {
       return state.lifeCycleNum