diff --git a/src/Add-on/Rotate.ts b/src/Add-on/Rotate.ts
index f224f265e..f6966359a 100644
--- a/src/Add-on/Rotate.ts
+++ b/src/Add-on/Rotate.ts
@@ -3,6 +3,7 @@ import * as THREE from 'three';
 import { app } from '../ApplicationServices/Application';
 import { Command } from '../Editor/CommandMachine';
 import { PromptStatus } from '../Editor/PromptResult';
+import { Matrix4 } from 'three';
 
 export class Command_Rotate implements Command
 {
@@ -20,12 +21,15 @@ export class Command_Rotate implements Command
         { return; }
 
         let pt1 = ptRes.Value;
+        let ucsInv = new Matrix4().getInverse(app.m_Editor.UCSMatrix);
+        let pt1Ucs = pt1.clone().applyMatrix4(ucsInv);
         app.m_Editor.m_CommandStore.Prompt("请输入第二个点:");
         let an = 0;
         ptRes = await app.m_Editor.GetPoint({
             Callback: (p: THREE.Vector3) =>
             {
-                let rov = p.clone().sub(pt1);
+                let pInv = p.clone().applyMatrix4(ucsInv);
+                let rov = pInv.sub(pt1Ucs);
                 let newan = Math.atan2(rov.y, rov.x);
                 if (!newan)
                 {
@@ -38,7 +42,7 @@ export class Command_Rotate implements Command
                 moveMatInv.getInverse(moveMat);
 
                 let roMat = new THREE.Matrix4();
-                roMat.makeRotationAxis(new THREE.Vector3(0, 0, 1), newan - an);
+                roMat.makeRotationAxis(new THREE.Vector3(0, 0, 1).applyMatrix4(app.m_Editor.UCSMatrix), newan - an);
 
                 app.m_Viewer.m_OutlinePass.selectedObjects.forEach(o =>
                 {
@@ -56,4 +60,4 @@ export class Command_Rotate implements Command
 
 
     }
-}
\ No newline at end of file
+}