diff --git a/src/core/controls/DragControl.ts b/src/core/controls/DragControl.ts
index 902b0c6..0aad188 100644
--- a/src/core/controls/DragControl.ts
+++ b/src/core/controls/DragControl.ts
@@ -164,11 +164,17 @@ export default class DragControl implements IControls {
    * 获取当前鼠标坐标（归一化设备坐标）
    */
   private getMousePosition(clientX: number, clientY: number): THREE.Vector2 {
-    const rect = this.domElement.getBoundingClientRect()
+    // const rect = this.domElement.getBoundingClientRect()
+    // return new THREE.Vector2(
+    //   ((clientX - rect.left) / rect.width) * 2 - 1,
+    //   ((clientY - rect.top) / rect.height) * -2 + 1
+    // )
     return new THREE.Vector2(
-      ((clientX - rect.left) / rect.width) * 2 - 1,
-      ((clientY - rect.top) / rect.height) * -2 + 1
+      clientX / this.viewport.renderer.domElement.offsetWidth * 2 - 1,
+      (clientY / this.viewport.renderer.domElement.offsetHeight * -2 + 1)
     )
+    // _point.x = e.offsetX / this.renderer.domElement.offsetWidth
+    // _point.y = e.offsetY / this.renderer.domElement.offsetHeight
   }
 
   /**
diff --git a/src/core/manager/EntityManager.ts b/src/core/manager/EntityManager.ts
index 47135d1..7e33821 100644
--- a/src/core/manager/EntityManager.ts
+++ b/src/core/manager/EntityManager.ts
@@ -462,11 +462,18 @@ export default class EntityManager {
 
   getObjectByCanvasMouse(event: MouseEvent): Object3DLike[] {
     const _domElement = this.viewport.renderer.domElement
-    const rect = _domElement.getBoundingClientRect()
-    const _pointer = new Vector2()
-    _pointer.x = (event.clientX - rect.left) / rect.width * 2 - 1
-    _pointer.y = -(event.clientY - rect.top) / rect.height * 2 + 1
-    this.viewport.raycaster.setFromCamera(_pointer, this.viewport.camera)
+    // const rect = _domElement.getBoundingClientRect()
+    // const _pointer = new Vector2()
+    // _pointer.x = (event.clientX - rect.left) / rect.width * 2 - 1
+    // _pointer.y = -(event.clientY - rect.top) / rect.height * 2 + 1
+
+
+    const _point = new THREE.Vector2()
+    _point.x = event.offsetX / _domElement.offsetWidth
+    _point.y = event.offsetY / _domElement.offsetHeight
+
+
+    this.viewport.raycaster.setFromCamera(_point, this.viewport.camera)
     const _intersections = this.viewport.raycaster.intersectObjects(this._selectableObjects, true)
 
     if (!_intersections || _intersections.length === 0) {