diff --git a/es/page.mp.js b/es/page.mp.js
index d6b4d0f3..328ef909 100644
--- a/es/page.mp.js
+++ b/es/page.mp.js
@@ -521,14 +521,13 @@ const oakBehavior = Behavior({
                 // 在init状态小程序也可能会调这个observer，先忽略之
                 return;
             }
-            if (data !== this.prevState.oakId) {
-                if (this.state.oakFullpath) {
-                    if (data) {
-                        this.features.runningTree.setId(this.state.oakFullpath, data);
-                    }
-                    else {
-                        this.features.runningTree.unsetId(this.state.oakFullpath);
-                    }
+            // oakId是props，不能用prevState来追踪其前期            
+            if (this.state.oakFullpath) {
+                if (data) {
+                    this.features.runningTree.setId(this.state.oakFullpath, data);
+                }
+                else {
+                    this.features.runningTree.unsetId(this.state.oakFullpath);
                 }
             }
         },
diff --git a/lib/page.mp.js b/lib/page.mp.js
index feb86731..6ff1a72d 100644
--- a/lib/page.mp.js
+++ b/lib/page.mp.js
@@ -524,14 +524,13 @@ const oakBehavior = Behavior({
                 // 在init状态小程序也可能会调这个observer，先忽略之
                 return;
             }
-            if (data !== this.prevState.oakId) {
-                if (this.state.oakFullpath) {
-                    if (data) {
-                        this.features.runningTree.setId(this.state.oakFullpath, data);
-                    }
-                    else {
-                        this.features.runningTree.unsetId(this.state.oakFullpath);
-                    }
+            // oakId是props，不能用prevState来追踪其前期            
+            if (this.state.oakFullpath) {
+                if (data) {
+                    this.features.runningTree.setId(this.state.oakFullpath, data);
+                }
+                else {
+                    this.features.runningTree.unsetId(this.state.oakFullpath);
                 }
             }
         },
diff --git a/src/page.mp.ts b/src/page.mp.ts
index d8e2f753..3cdf2e76 100644
--- a/src/page.mp.ts
+++ b/src/page.mp.ts
@@ -745,17 +745,16 @@ const oakBehavior = Behavior<
                 // 在init状态小程序也可能会调这个observer，先忽略之
                 return;
             }
-            if (data !== this.prevState.oakId) {
-                if (this.state.oakFullpath) {
-                    if (data) {
-                        this.features.runningTree.setId(
-                            this.state.oakFullpath,
-                            data
-                        );
-                    }
-                    else {
-                        this.features.runningTree.unsetId(this.state.oakFullpath);
-                    }
+            // bugfixed: oakId是props，不能用prevState来追踪其前项值
+            if (this.state.oakFullpath) {
+                if (data) {
+                    this.features.runningTree.setId(
+                        this.state.oakFullpath,
+                        data
+                    );
+                }
+                else {
+                    this.features.runningTree.unsetId(this.state.oakFullpath);
                 }
             }
         },