diff --git a/src/DatabaseServices/Entity/EntityFbx.ts b/src/DatabaseServices/Entity/EntityFbx.ts
index d456ccb4f..ad7102c2e 100644
--- a/src/DatabaseServices/Entity/EntityFbx.ts
+++ b/src/DatabaseServices/Entity/EntityFbx.ts
@@ -231,9 +231,7 @@ export class EntityFbx extends Entity
 
             //缩放尺寸(如果用户指定了这个缩放 我们就缩放它)
             if (this._ScaleSize.x)
-                this.newObject.scale.copy(this._ScaleSize).divide(this._Size).multiplyScalar(10);
-            else
-                this.newObject.scale.set(10, 10, 10);//UE4缩放10 如果按米为单位的缩放1000
+                this.newObject.scale.copy(this._ScaleSize).divide(this._Size);
 
             dObj.add(this.newObject);
 
@@ -330,9 +328,7 @@ export class EntityFbx extends Entity
 
                 //缩放尺寸(如果用户指定了这个缩放 我们就缩放它)
                 if (this._ScaleSize.x)
-                    this.newObject.scale.copy(this._ScaleSize).divide(this._Size).multiplyScalar(10);
-                else
-                    this.newObject.scale.set(10, 10, 10);//UE4缩放10 如果按米为单位的缩放1000
+                    this.newObject.scale.copy(this._ScaleSize).divide(this._Size);
 
                 this.newObject.updateMatrix();//保证更新缩放
                 this.newObject.updateMatrixWorld(false);//保证更新位置
diff --git a/src/UI/Components/ToolBar/ModifyModel/ModelCommon.tsx b/src/UI/Components/ToolBar/ModifyModel/ModelCommon.tsx
index 3ef67cec2..2c332a6f9 100644
--- a/src/UI/Components/ToolBar/ModifyModel/ModelCommon.tsx
+++ b/src/UI/Components/ToolBar/ModifyModel/ModelCommon.tsx
@@ -4,12 +4,12 @@ import { observer } from "mobx-react";
 import React from "react";
 import { MathUtils, Matrix4, Vector3 } from "three";
 import { app } from "../../../../ApplicationServices/Application";
-import { safeEval } from "../../../../Common/eval";
 import { KeyBoard } from "../../../../Common/KeyEnum";
 import { MakeRotateMatrix4 } from "../../../../Common/Matrix4Utils";
 import { FixedNotZero } from "../../../../Common/Utils";
+import { safeEval } from "../../../../Common/eval";
 import { Entity } from "../../../../DatabaseServices/Entity/Entity";
-import { commandMachine, CommandWrap } from "../../../../Editor/CommandMachine";
+import { CommandWrap, commandMachine } from "../../../../Editor/CommandMachine";
 import { CommandState } from "../../../../Editor/CommandState";
 import { AxisType } from "../../../../Editor/TranstrolControl/CoorAxes";
 import { AppToaster } from "../../Toaster";
@@ -33,7 +33,7 @@ export class SizeComponent extends React.Component<SizeComponentProps>
         this.disposeAutorun = autorun(() =>
         {
             if (this.sizeRef.current)
-                this.sizeRef.current.inputElement.value = this.props.store[this.props.sizeKey].toFixed(0);
+                this.sizeRef.current.inputElement.value = this.props.store[this.props.sizeKey].toFixed(3);
         });
     }
 
@@ -51,7 +51,7 @@ export class SizeComponent extends React.Component<SizeComponentProps>
         let value = safeEval(this.sizeRef.current.inputElement.value);
         if (isNaN(value) && this.sizeRef.current)
         {
-            this.sizeRef.current.inputElement.value = store[this.props.sizeKey].toFixed(0);
+            this.sizeRef.current.inputElement.value = store[this.props.sizeKey].toFixed(3);
             return;
         }
 
@@ -110,7 +110,7 @@ export class SizeComponent extends React.Component<SizeComponentProps>
                     }}
                 />
                 <NumericInput
-                    defaultValue={MathUtils.clamp(store[this.props.sizeKey], 0, Number.MAX_VALUE).toFixed(0)}
+                    defaultValue={MathUtils.clamp(store[this.props.sizeKey], 0, Number.MAX_VALUE).toFixed(3)}
                     ref={this.sizeRef}
                     onKeyDown={(e) =>
                     {
@@ -121,7 +121,7 @@ export class SizeComponent extends React.Component<SizeComponentProps>
                         }
                         if (e.keyCode === KeyBoard.Escape)
                         {
-                            this.sizeRef.current.inputElement.value = store[this.props.sizeKey].toFixed(0);
+                            this.sizeRef.current.inputElement.value = store[this.props.sizeKey].toFixed(3);
                         }
                     }}
                     onBlur={() => { this.ChangeModuleSize(); }}