diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
index 5e4ce20..d577619 100644
--- a/src/components/HelloWorld.vue
+++ b/src/components/HelloWorld.vue
@@ -18,6 +18,38 @@ export default {
     return {
       spmText: 'xx.xx.xx'
     }
+  },
+  mounted() {
+    // 理论上相关代码都应该在单独的sdk js文件内部，但是由于测试用例demo期望结果在和vue的data数据对比，
+    // 需要设置vue组件的data所以代码先放在了组件生命周期了
+
+    function findSpmAttr(dataset = {}) {
+      for(let key in dataset) {
+        if (key.startsWith('spm')) {
+          return key;
+        }
+      }
+    }
+
+    document.body.addEventListener('click', (e) => {
+      let node = e.target;
+      let spmAttr = findSpmAttr(node.dataset);
+
+      if (node && spmAttr) {
+        let logDataArr = [];
+        logDataArr.unshift(node.dataset[spmAttr]);
+        while (node && node.parentNode && node.parentNode.nodeName.toUpperCase() !== 'BODY') {
+          node = node.parentNode;
+          let dataset = node.dataset;
+          spmAttr = findSpmAttr(dataset);
+          if (spmAttr) {
+            logDataArr.unshift(node.dataset[spmAttr]);
+          }
+        }
+
+        this.spmText = logDataArr.join('.');
+      }
+    }, false)
   }
 }
 </script>