diff --git a/packages/api-proxy/src/platform/api/create-intersection-observer/IntersectionObserver.js b/packages/api-proxy/src/platform/api/create-intersection-observer/IntersectionObserver.js
index 80bce62211..b726c3efc2 100644
--- a/packages/api-proxy/src/platform/api/create-intersection-observer/IntersectionObserver.js
+++ b/packages/api-proxy/src/platform/api/create-intersection-observer/IntersectionObserver.js
@@ -66,12 +66,12 @@ class WebIntersectionObserver {
   }
 
   observe (targetSelector, callback) {
-    nextTick(async () => {
-      if (!targetSelector) {
-        const res = { errMsg: 'observe:targetSelector can not be empty' }
-        return Promise.reject(res)
+    nextTick(() => {
+      if (!document.querySelector(targetSelector)) {
+        console.warn(`[mpx runtime warn]: Node ${JSON.stringify(targetSelector)} is not found. Intersection observer will not trigger.`)
+        return
       }
-      this._observer = await this.initObserver()
+      this._observer = this.initObserver()
       this._callback = callback
       let targetElement = []
       if (this._options.observeAll) {