diff --git a/doric-js/bundle/doric-lib.js b/doric-js/bundle/doric-lib.js
index df4d5390..0196059a 100644
--- a/doric-js/bundle/doric-lib.js
+++ b/doric-js/bundle/doric-lib.js
@@ -503,7 +503,7 @@ class Group extends Superview {
             set: (target, index, value) => {
                 const ret = Reflect.set(target, index, value);
                 // Let getDirty return true
-                this.dirtyProps.children = this.children.map(e => e.viewId);
+                this.dirtyProps.children = target.map(e => e.viewId);
                 return ret;
             }
         });
diff --git a/doric-js/bundle/doric-vm.js b/doric-js/bundle/doric-vm.js
index 457cc0b7..3f812538 100644
--- a/doric-js/bundle/doric-vm.js
+++ b/doric-js/bundle/doric-vm.js
@@ -2024,7 +2024,7 @@ class Group extends Superview {
             set: (target, index, value) => {
                 const ret = Reflect.set(target, index, value);
                 // Let getDirty return true
-                this.dirtyProps.children = this.children.map(e => e.viewId);
+                this.dirtyProps.children = target.map(e => e.viewId);
                 return ret;
             }
         });
diff --git a/doric-js/lib/src/ui/view.js b/doric-js/lib/src/ui/view.js
index d00c81b7..a74fe49c 100644
--- a/doric-js/lib/src/ui/view.js
+++ b/doric-js/lib/src/ui/view.js
@@ -385,7 +385,7 @@ export class Group extends Superview {
             set: (target, index, value) => {
                 const ret = Reflect.set(target, index, value);
                 // Let getDirty return true
-                this.dirtyProps.children = this.children.map(e => e.viewId);
+                this.dirtyProps.children = target.map(e => e.viewId);
                 return ret;
             }
         });
diff --git a/doric-js/src/ui/view.ts b/doric-js/src/ui/view.ts
index 179e5284..18379675 100644
--- a/doric-js/src/ui/view.ts
+++ b/doric-js/src/ui/view.ts
@@ -451,7 +451,7 @@ export abstract class Group extends Superview {
         set: (target, index, value) => {
             const ret = Reflect.set(target, index, value)
             // Let getDirty return true
-            this.dirtyProps.children = this.children.map(e => e.viewId)
+            this.dirtyProps.children = (target as View[]).map(e => e.viewId)
             return ret
         }
     })
diff --git a/doric-web/dist/index.js b/doric-web/dist/index.js
index e8a68002..dad80778 100644
--- a/doric-web/dist/index.js
+++ b/doric-web/dist/index.js
@@ -2078,7 +2078,7 @@ class Group extends Superview {
             set: (target, index, value) => {
                 const ret = Reflect.set(target, index, value);
                 // Let getDirty return true
-                this.dirtyProps.children = this.children.map(e => e.viewId);
+                this.dirtyProps.children = target.map(e => e.viewId);
                 return ret;
             }
         });