diff --git a/src/utils.ts b/src/utils.ts
index 9485918..1542584 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -128,7 +128,17 @@ const utils = {
      */
     getQueryParameters(search: string) {
         const searchParams = new URLSearchParams(search);
-        return Object.fromEntries(searchParams.entries());
+        const paramValue = Object.fromEntries(searchParams.entries());
+        for (const key in paramValue) {
+            if (paramValue[key] === 'null') {
+                (paramValue[key] as any) = null;
+            }
+            if (paramValue[key] === 'undefined') {
+                (paramValue[key] as any) = undefined;
+            }
+        }
+
+        return paramValue;
     },
     /**
      * 获取图片的Base64格式
diff --git a/test/utils.test.ts b/test/utils.test.ts
index 798a63f..79bdc46 100644
--- a/test/utils.test.ts
+++ b/test/utils.test.ts
@@ -323,8 +323,8 @@ describe('utils:', () => {
         expect(getQueryParameters('?a=1&b=2')).toEqual({ a: '1', b: '2' });
         expect(getQueryParameters('?a=1&b=undefined')).toEqual({
             a: '1',
-            b: 'undefined',
+            b: undefined,
         });
-        expect(getQueryParameters('?a=1&b=null')).toEqual({ a: '1', b: 'null' });
+        expect(getQueryParameters('?a=1&b=null')).toEqual({ a: '1', b: null });
     });
 });