diff --git a/jest.config.ts b/jest.config.ts
index a81b4f1e..5328c18e 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -1,16 +1,3 @@
-import { createConfig, type Config } from '@umijs/test';
-
-const defaultConfig = createConfig({
-  target: 'browser',
-  jsTransformer: 'swc'
-});
-
-const config: Config.InitialOptions = {
-  ...defaultConfig,
-  setupFiles: [
-    ...defaultConfig.setupFiles,
-    './tests/setup.js'
-  ]
+module.exports = {
+  setupFiles: ['./tests/setup.js'],
 };
-
-export default config;
diff --git a/package.json b/package.json
index 0cf307c3..39073d39 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     ]
   },
   "dependencies": {
-    "@rc-component/mini-decimal": "^1.0.1",
+    "@rc-component/mini-decimal": "^1.1.1",
     "@rc-component/util": "^1.4.0",
     "clsx": "^2.1.1"
   },
diff --git a/tests/decimal.test.tsx b/tests/decimal.test.tsx
index 750444f7..d3f1eb23 100644
--- a/tests/decimal.test.tsx
+++ b/tests/decimal.test.tsx
@@ -64,6 +64,15 @@ describe('InputNumber.Decimal', () => {
     expect(container.querySelector('input').value).toEqual('0.1');
   });
 
+  it('should not crash when scientific notation precision exceeds native toFixed limit', () => {
+    const expectedValue = `0.${'0'.repeat(306)}1`;
+
+    expect(() => {
+      const { container } = render(<InputNumber defaultValue={1e-307} />);
+      expect(container.querySelector('input').value).toEqual(expectedValue);
+    }).not.toThrow();
+  });
+
   it('custom decimal separator', () => {
     const onChange = jest.fn();
     const { container } = render(<InputNumber decimalSeparator="," onChange={onChange} />);