diff --git a/pages/API/get-system-info/get-system-info.test.js b/pages/API/get-system-info/get-system-info.test.js
index 9cc4c2da4c0ba1992d4c6847eabe66ced211aa81..6b340e3198d93ba2a4d0ab77c13e6fa75b171066 100644
--- a/pages/API/get-system-info/get-system-info.test.js
+++ b/pages/API/get-system-info/get-system-info.test.js
@@ -63,4 +63,10 @@ describe('ExtApi-GetSystemInfo', () => {
       expect(`${key} not null: ${res[key] != null}`).toBe(`${key} not null: true`)
     }
   })
+
+  it('Check screenHeight at different stages', async ()=> {
+    await page.callMethod('jest_getScreenHeight_at_different_stages')
+    res = await page.data('jest_result');
+    expect(res).toBe(true)
+  })
 });
diff --git a/pages/API/get-system-info/get-system-info.uvue b/pages/API/get-system-info/get-system-info.uvue
index f1115d1dfc7bf3264d5a23ab1a0d1abf6ac8dfe0..022c54d58170858ff4f2312d7775f93532578f67 100644
--- a/pages/API/get-system-info/get-system-info.uvue
+++ b/pages/API/get-system-info/get-system-info.uvue
@@ -37,15 +37,23 @@
   type Item = {
     label : string,
     value : string,
-  }
+  }
+  const globalScreenHeight = uni.getSystemInfoSync().screenHeight
   export default {
     data() {
       return {
         title: 'getSystemInfo',
-        items: [] as Item[],
+        items: [] as Item[],
+        screenHeightAtReady: 0,
+        jest_result: false,
       }
     },
     onUnload: function () {
+    },
+
+    onReady() {
+      this.screenHeightAtReady = uni.getSystemInfoSync().screenHeight
+      console.log(`全局获取屏幕高度: ${globalScreenHeight}  onReady内获取屏幕高度: ${this.screenHeightAtReady}`);
     },
     methods: {
       getSystemInfo: function () {
@@ -96,7 +104,10 @@
       //自动化测试例专用
       jest_getSystemInfo() : GetSystemInfoResult {
         return uni.getSystemInfoSync();
-      },
+      },
+      jest_getScreenHeight_at_different_stages(){
+        this.jest_result = (globalScreenHeight == this.screenHeightAtReady)
+      }
     }
   }
 </script>