diff --git a/src/hooks/useCreateElement.ts b/src/hooks/useCreateElement.ts
index 6852cb43..9336eb91 100644
--- a/src/hooks/useCreateElement.ts
+++ b/src/hooks/useCreateElement.ts
@@ -63,7 +63,7 @@ export default () => {
         left: (VIEWPORT_SIZE - width) / 2,
         top: (VIEWPORT_SIZE * viewportRatio.value - height) / 2,
         fixedRatio: true,
-        rotate: 0
+        rotate: 0,
       })
     })
   }
@@ -148,7 +148,7 @@ export default () => {
       width, 
       height,
       content,
-      rotate: 0
+      rotate: 0,
     })
   }
   
@@ -170,7 +170,7 @@ export default () => {
       path: data.path,
       fill: themeColor.value,
       fixedRatio: false,
-      rotate: 0
+      rotate: 0,
     })
   }
   
diff --git a/src/types/slides.ts b/src/types/slides.ts
index 041a016b..eb95c1f1 100644
--- a/src/types/slides.ts
+++ b/src/types/slides.ts
@@ -35,7 +35,7 @@ interface PPTBaseElement {
 export interface PPTTextElement extends PPTBaseElement{
   type: 'text';
   content: string;
-  rotate?: number;
+  rotate: number;
   outline?: PPTElementOutline;
   fill?: string;
   lineHeight?: number;
@@ -65,7 +65,7 @@ export interface PPTImageElement extends PPTBaseElement{
   type: 'image';
   fixedRatio: boolean;
   src: string;
-  rotate?: number;
+  rotate: number;
   outline?: PPTElementOutline;
   filters?: ImageElementFilters;
   clip?: ImageElementClip;
@@ -85,7 +85,7 @@ export interface PPTShapeElement extends PPTBaseElement{
   fixedRatio: boolean;
   fill: string;
   gradient?: ShapeGradient;
-  rotate?: number;
+  rotate: number;
   outline?: PPTElementOutline;
   opacity?: number;
   flip?: ImageOrShapeFlip;