diff --git a/packages/checkbox/src/constants/checkStyle.ts b/packages/checkbox/src/constants/checkStyle.ts
new file mode 100644
index 0000000..5e04b7f
--- /dev/null
+++ b/packages/checkbox/src/constants/checkStyle.ts
@@ -0,0 +1,27 @@
+export interface CheckStyleConfig {
+  borderRadius?: string | number;
+  borderWidth?: number;
+  borderColor?: string;
+  backgroundColor?: string;
+  checkedColor?: string;
+  disabledColor?: string;
+  hoverColor?: string;
+  backgroundImage?: string;
+  backgroundSize?: string;
+  backgroundPosition?: string;
+  backgroundRepeat?: string;
+}
+
+export const DEFAULT_CHECK_STYLE: CheckStyleConfig = {
+  borderRadius: 4,
+  borderWidth: 1,
+  borderColor: '#D1D5DB',
+  backgroundColor: '#FFFFFF',
+  checkedColor: '#3B82F6',
+  disabledColor: '#E5E7EB',
+  hoverColor: '#F3F4F6',
+  backgroundImage: `url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E")`,
+  backgroundSize: '100%',
+  backgroundPosition: 'center',
+  backgroundRepeat: 'no-repeat',
+} as const;
diff --git a/packages/checkbox/src/constants/size.ts b/packages/checkbox/src/constants/size.ts
index a968daa..cb6db4f 100644
--- a/packages/checkbox/src/constants/size.ts
+++ b/packages/checkbox/src/constants/size.ts
@@ -1,6 +1,6 @@
 export type CheckboxSize = 'small' | 'medium' | 'large';
 
-interface SizeConfig {
+export interface SizeConfig {
   checkboxSize: number;
   labelSize: number;
   padding: number;
@@ -27,27 +27,3 @@ export const CHECKBOX_SIZES: Record<CheckboxSize, SizeConfig> = {
     margin: 8,
   },
 } as const;
-
-export interface CheckboxStyleConfig {
-  borderRadius?: number;
-  borderWidth?: number;
-  borderColor?: string;
-  backgroundColor?: string;
-  checkedColor?: string;
-  disabledColor?: string;
-  hoverColor?: string;
-  backgroundImage?: string;
-  backgroundSize?: string;
-  backgroundPosition?: string;
-  backgroundRepeat?: string;
-}
-
-export const DEFAULT_CHECKBOX_STYLE: CheckboxStyleConfig = {
-  borderRadius: 4,
-  borderWidth: 1,
-  borderColor: '#D1D5DB',
-  backgroundColor: '#FFFFFF',
-  checkedColor: '#3B82F6',
-  disabledColor: '#E5E7EB',
-  hoverColor: '#F3F4F6',
-} as const;