diff --git a/packages/remax-cli/src/__tests__/integration/fixtures/lifeCycle/expected/remax-vendors.js b/packages/remax-cli/src/__tests__/integration/fixtures/lifeCycle/expected/remax-vendors.js
index 148e1da4f..28273f4e3 100644
--- a/packages/remax-cli/src/__tests__/integration/fixtures/lifeCycle/expected/remax-vendors.js
+++ b/packages/remax-cli/src/__tests__/integration/fixtures/lifeCycle/expected/remax-vendors.js
@@ -635,8 +635,6 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return propsAlias; });
 /* harmony import */ var _utils_plainStyle__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(11);
 /* harmony import */ var _createHostComponent__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(13);
-function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
-
 
 
 function getAlias(prop, type) {
@@ -654,7 +652,7 @@ function getAlias(prop, type) {
 }
 
 function getValue(prop, value) {
-  if (prop.toLowerCase().endsWith('style') && _typeof(value) === 'object') {
+  if (prop.toLowerCase().endsWith('style') && Object.prototype.toString.call(value) === '[object Object]') {
     return Object(_utils_plainStyle__WEBPACK_IMPORTED_MODULE_0__["default"])(value);
   }
 
diff --git a/packages/remax-cli/src/__tests__/integration/fixtures/runtime-plugin/expected/remax-vendors.js b/packages/remax-cli/src/__tests__/integration/fixtures/runtime-plugin/expected/remax-vendors.js
index a30c5a979..e8db83f98 100644
--- a/packages/remax-cli/src/__tests__/integration/fixtures/runtime-plugin/expected/remax-vendors.js
+++ b/packages/remax-cli/src/__tests__/integration/fixtures/runtime-plugin/expected/remax-vendors.js
@@ -635,8 +635,6 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return propsAlias; });
 /* harmony import */ var _utils_plainStyle__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(11);
 /* harmony import */ var _createHostComponent__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(13);
-function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
-
 
 
 function getAlias(prop, type) {
@@ -654,7 +652,7 @@ function getAlias(prop, type) {
 }
 
 function getValue(prop, value) {
-  if (prop.toLowerCase().endsWith('style') && _typeof(value) === 'object') {
+  if (prop.toLowerCase().endsWith('style') && Object.prototype.toString.call(value) === '[object Object]') {
     return Object(_utils_plainStyle__WEBPACK_IMPORTED_MODULE_0__["default"])(value);
   }
 
diff --git a/packages/remax-runtime/src/__tests__/__snapshots__/propsAlias.test.ts.snap b/packages/remax-runtime/src/__tests__/__snapshots__/propsAlias.test.ts.snap
index 97e0ce57f..e4dd9b157 100644
--- a/packages/remax-runtime/src/__tests__/__snapshots__/propsAlias.test.ts.snap
+++ b/packages/remax-runtime/src/__tests__/__snapshots__/propsAlias.test.ts.snap
@@ -5,3 +5,9 @@ Object {
   "style": "color:#ffffff;height:2rpx;-webkit-flex:1;--color:red;--textColor:blue;background-color:var(--textColor);",
 }
 `;
+
+exports[`props alias transform style prop correctly 2`] = `
+Object {
+  "style": null,
+}
+`;
diff --git a/packages/remax-runtime/src/__tests__/propsAlias.test.ts b/packages/remax-runtime/src/__tests__/propsAlias.test.ts
index 67eeb1f76..21ba500c8 100644
--- a/packages/remax-runtime/src/__tests__/propsAlias.test.ts
+++ b/packages/remax-runtime/src/__tests__/propsAlias.test.ts
@@ -42,6 +42,15 @@ describe('props alias', () => {
         'any'
       )
     ).toMatchSnapshot();
+
+    expect(
+      propsAlias(
+        {
+          style: null,
+        },
+        'any'
+      )
+    ).toMatchSnapshot();
   });
 
   it('transform props by component type correctly', () => {
diff --git a/packages/remax-runtime/src/propsAlias.ts b/packages/remax-runtime/src/propsAlias.ts
index 343096ca6..910cb6c09 100644
--- a/packages/remax-runtime/src/propsAlias.ts
+++ b/packages/remax-runtime/src/propsAlias.ts
@@ -17,7 +17,7 @@ export function getAlias(prop: string, type: string) {
 }
 
 function getValue(prop: string, value: any): any {
-  if (prop.toLowerCase().endsWith('style') && typeof value === 'object') {
+  if (prop.toLowerCase().endsWith('style') && Object.prototype.toString.call(value) === '[object Object]') {
     return plainStyle(value);
   }