diff --git a/src/dialog/__test__/__snapshots__/demo.test.jsx.snap b/src/dialog/__test__/__snapshots__/demo.test.jsx.snap
index a14225ca6..6f2bb97eb 100644
--- a/src/dialog/__test__/__snapshots__/demo.test.jsx.snap
+++ b/src/dialog/__test__/__snapshots__/demo.test.jsx.snap
@@ -825,6 +825,7 @@ exports[`Dialog > Dialog inputVue demo works fine 1`] = `
                       maxlength="-1"
                       name=""
                       placeholder="请输入文字"
+                      spellcheck="false"
                       type="text"
                     />
                     <!---->
@@ -965,6 +966,7 @@ exports[`Dialog > Dialog inputVue demo works fine 1`] = `
                       maxlength="-1"
                       name=""
                       placeholder="请输入文字"
+                      spellcheck="false"
                       type="text"
                     />
                     <!---->
@@ -1609,6 +1611,7 @@ exports[`Dialog > Dialog mobileVue demo works fine 1`] = `
                           maxlength="-1"
                           name=""
                           placeholder="请输入文字"
+                          spellcheck="false"
                           type="text"
                         />
                         <!---->
@@ -1749,6 +1752,7 @@ exports[`Dialog > Dialog mobileVue demo works fine 1`] = `
                           maxlength="-1"
                           name=""
                           placeholder="请输入文字"
+                          spellcheck="false"
                           type="text"
                         />
                         <!---->
diff --git a/src/form/__test__/__snapshots__/demo.test.jsx.snap b/src/form/__test__/__snapshots__/demo.test.jsx.snap
index bc767d3e6..ab71d98a3 100644
--- a/src/form/__test__/__snapshots__/demo.test.jsx.snap
+++ b/src/form/__test__/__snapshots__/demo.test.jsx.snap
@@ -57,6 +57,7 @@ exports[`Form > Form horizontalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="text"
                 />
                 <!---->
@@ -129,6 +130,7 @@ exports[`Form > Form horizontalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="password"
                 />
                 <!---->
@@ -350,6 +352,7 @@ exports[`Form > Form horizontalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="text"
                 />
                 <!---->
@@ -779,6 +782,7 @@ exports[`Form > Form horizontalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="text"
                 />
                 <!---->
@@ -1742,6 +1746,7 @@ exports[`Form > Form mobileVue demo works fine 1`] = `
                         maxlength="-1"
                         name=""
                         placeholder="请输入内容"
+                        spellcheck="false"
                         type="text"
                       />
                       <!---->
@@ -1814,6 +1819,7 @@ exports[`Form > Form mobileVue demo works fine 1`] = `
                         maxlength="-1"
                         name=""
                         placeholder="请输入内容"
+                        spellcheck="false"
                         type="password"
                       />
                       <!---->
@@ -2035,6 +2041,7 @@ exports[`Form > Form mobileVue demo works fine 1`] = `
                         maxlength="-1"
                         name=""
                         placeholder="请输入内容"
+                        spellcheck="false"
                         type="text"
                       />
                       <!---->
@@ -2464,6 +2471,7 @@ exports[`Form > Form mobileVue demo works fine 1`] = `
                         maxlength="-1"
                         name=""
                         placeholder="请输入内容"
+                        spellcheck="false"
                         type="text"
                       />
                       <!---->
@@ -3296,6 +3304,7 @@ exports[`Form > Form verticalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="text"
                 />
                 <!---->
@@ -3366,6 +3375,7 @@ exports[`Form > Form verticalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="password"
                 />
                 <!---->
@@ -3583,6 +3593,7 @@ exports[`Form > Form verticalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="text"
                 />
                 <!---->
@@ -4010,6 +4021,7 @@ exports[`Form > Form verticalVue demo works fine 1`] = `
                   maxlength="-1"
                   name=""
                   placeholder="请输入内容"
+                  spellcheck="false"
                   type="text"
                 />
                 <!---->
diff --git a/src/input/__test__/__snapshots__/demo.test.jsx.snap b/src/input/__test__/__snapshots__/demo.test.jsx.snap
index 0ce179493..664da7ed3 100644
--- a/src/input/__test__/__snapshots__/demo.test.jsx.snap
+++ b/src/input/__test__/__snapshots__/demo.test.jsx.snap
@@ -30,6 +30,7 @@ exports[`Input > Input alignVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -64,6 +65,7 @@ exports[`Input > Input alignVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -98,6 +100,7 @@ exports[`Input > Input alignVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -138,6 +141,7 @@ exports[`Input > Input bannerVue demo works fine 1`] = `
         maxlength="-1"
         name=""
         placeholder="请输入文字"
+        spellcheck="false"
         type="text"
       />
       <!---->
@@ -179,6 +183,7 @@ exports[`Input > Input baseVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -213,6 +218,7 @@ exports[`Input > Input baseVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字(选填)"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -247,6 +253,7 @@ exports[`Input > Input baseVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -297,6 +304,7 @@ exports[`Input > Input borderedVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -358,6 +366,7 @@ exports[`Input > Input customVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -396,6 +405,7 @@ exports[`Input > Input labelVue demo works fine 1`] = `
         maxlength="-1"
         name=""
         placeholder="请输入文字"
+        spellcheck="false"
         type="text"
       />
       <!---->
@@ -433,6 +443,7 @@ exports[`Input > Input layoutVue demo works fine 1`] = `
         maxlength="-1"
         name=""
         placeholder="请输入文字"
+        spellcheck="false"
         type="text"
       />
       <!---->
@@ -491,6 +502,7 @@ exports[`Input > Input maxLengthVue demo works fine 1`] = `
           maxlength="10"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -529,6 +541,7 @@ exports[`Input > Input maxLengthVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -607,6 +620,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -641,6 +655,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字(选填)"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -675,6 +690,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -731,6 +747,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="10"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -769,6 +786,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -829,6 +847,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -880,6 +899,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入手机号码"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -935,6 +955,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1025,6 +1046,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1076,6 +1098,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1131,6 +1154,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               class="t-input__control t-input--default"
               maxlength="-1"
               name=""
+              spellcheck="false"
               type="password"
             />
             <!---->
@@ -1182,6 +1206,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="输入验证码"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1274,6 +1299,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="输入手机号码"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1326,7 +1352,8 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="0.00"
-              type="text"
+              spellcheck="false"
+              type="number"
             />
             <!---->
             <div
@@ -1364,7 +1391,8 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="填写个数"
-              type="text"
+              spellcheck="false"
+              type="number"
             />
             <!---->
             <div
@@ -1428,6 +1456,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1466,6 +1495,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               disabled=""
               maxlength="-1"
               name=""
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1521,6 +1551,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1580,6 +1611,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1614,6 +1646,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1648,6 +1681,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1703,6 +1737,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1775,6 +1810,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
               maxlength="-1"
               name=""
               placeholder="请输入文字"
+              spellcheck="false"
               type="text"
             />
             <!---->
@@ -1840,6 +1876,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
                 maxlength="-1"
                 name=""
                 placeholder="请输入文字"
+                spellcheck="false"
                 type="text"
               />
               <!---->
@@ -1918,6 +1955,7 @@ exports[`Input > Input mobileVue demo works fine 1`] = `
                 maxlength="-1"
                 name=""
                 placeholder="请输入文字"
+                spellcheck="false"
                 type="text"
               />
               <!---->
@@ -1981,6 +2019,7 @@ exports[`Input > Input prefixVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2032,6 +2071,7 @@ exports[`Input > Input prefixVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2074,6 +2114,7 @@ exports[`Input > Input specialVue demo works fine 1`] = `
           class="t-input__control t-input--default"
           maxlength="-1"
           name=""
+          spellcheck="false"
           type="password"
         />
         <!---->
@@ -2125,6 +2166,7 @@ exports[`Input > Input specialVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="输入验证码"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2217,6 +2259,7 @@ exports[`Input > Input specialVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="输入手机号码"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2269,7 +2312,8 @@ exports[`Input > Input specialVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="0.00"
-          type="text"
+          spellcheck="false"
+          type="number"
         />
         <!---->
         <div
@@ -2307,7 +2351,8 @@ exports[`Input > Input specialVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="填写个数"
-          type="text"
+          spellcheck="false"
+          type="number"
         />
         <!---->
         <div
@@ -2354,6 +2399,7 @@ exports[`Input > Input statusVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2392,6 +2438,7 @@ exports[`Input > Input statusVue demo works fine 1`] = `
           disabled=""
           maxlength="-1"
           name=""
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2435,6 +2482,7 @@ exports[`Input > Input suffixVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2486,6 +2534,7 @@ exports[`Input > Input suffixVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入手机号码"
+          spellcheck="false"
           type="text"
         />
         <!---->
@@ -2541,6 +2590,7 @@ exports[`Input > Input suffixVue demo works fine 1`] = `
           maxlength="-1"
           name=""
           placeholder="请输入文字"
+          spellcheck="false"
           type="text"
         />
         <!---->
diff --git a/src/input/demos/special.vue b/src/input/demos/special.vue
index f7d1bcdd9..9f3d2e3fc 100644
--- a/src/input/demos/special.vue
+++ b/src/input/demos/special.vue
@@ -26,8 +26,8 @@
       </div>
     </template>
   </t-input>
-  <t-input label="价格" align="right" placeholder="0.00" suffix="元" />
-  <t-input label="数量" align="right" placeholder="填写个数" suffix="个" />
+  <t-input label="价格" align="right" placeholder="0.00" suffix="元" type="number" />
+  <t-input label="数量" align="right" placeholder="填写个数" suffix="个" type="number" />
 </template>
 
 <script lang="ts" setup>
diff --git a/src/input/input.en-US.md b/src/input/input.en-US.md
index f4697d4fb..3fd1a8a51 100644
--- a/src/input/input.en-US.md
+++ b/src/input/input.en-US.md
@@ -24,13 +24,14 @@ placeholder | String | undefined | \- | N
 prefixIcon | Slot / Function | - | Typescript：`TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 readonly | Boolean | false | \- | N
 size | String | small | `deprecated`。options: small/medium。Typescript：`'medium' \| 'small'` | N
+spellCheck | Boolean | false | attribute of input element, [see here](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/spellcheck) | N
 status | String | undefined | options: default/success/warning/error | N
 suffix | String / Slot / Function | - | suffix content before suffixIcon。Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 suffixIcon | Slot / Function | - | suffix icon of input。Typescript：`TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 tips | String / Slot / Function | - | tips on the bottom of input, different `status` can make tips to be different color。Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 type | String | text | type attribute of input element. if you are using `type=number`, `InputNumber` Component might be better。options: text/number/url/tel/password/search/submit/hidden | N
-value | String / Number | '' | input value。`v-model` and `v-model:value` is supported。Typescript：`InputValue` `type InputValue = string`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
-defaultValue | String / Number | '' | input value。uncontrolled property。Typescript：`InputValue` `type InputValue = string`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
+value | String / Number | - | input value。`v-model` and `v-model:value` is supported。Typescript：`InputValue` `type InputValue = string \| number`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
+defaultValue | String / Number | - | input value。uncontrolled property。Typescript：`InputValue` `type InputValue = string \| number`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
 onBlur | Function |  | Typescript：`(value: InputValue, context: { e: FocusEvent }) => void`<br/> | N
 onChange | Function |  | Typescript：`(value: InputValue, context?: { e?: InputEvent \| MouseEvent \| CompositionEvent; trigger: 'input' \| 'initial' \| 'clear' }) => void`<br/>trigger on input value changed | N
 onClear | Function |  | Typescript：`(context: { e: MouseEvent }) => void`<br/> | N
diff --git a/src/input/input.md b/src/input/input.md
index 34006d408..c8669d721 100644
--- a/src/input/input.md
+++ b/src/input/input.md
@@ -23,13 +23,14 @@ placeholder | String | undefined | 占位符 | N
 prefixIcon | Slot / Function | - | 组件前置图标。TS 类型：`TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 readonly | Boolean | false | 只读状态 | N
 size | String | small | 已废弃。输入框尺寸。可选项：small/medium。TS 类型：`'medium' \| 'small'` | N
+spellCheck | Boolean | false | 是否开启拼写检查，HTML5 原生属性，[点击查看详情](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/spellcheck) | N
 status | String | undefined | 输入框状态。默认情况会由组件内部根据实际情况呈现，如果文本过长引起的状态变化。可选项：default/success/warning/error | N
 suffix | String / Slot / Function | - | 后置图标前的后置内容。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 suffixIcon | Slot / Function | - | 组件后置图标。TS 类型：`TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 tips | String / Slot / Function | - | 输入框下方提示文本，会根据不同的 `status` 呈现不同的样式。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 type | String | text | 输入框类型。可选项：text/number/url/tel/password/search/submit/hidden | N
-value | String / Number | '' | 输入框的值。支持语法糖 `v-model` 或 `v-model:value`。TS 类型：`InputValue` `type InputValue = string`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
-defaultValue | String / Number | '' | 输入框的值。非受控属性。TS 类型：`InputValue` `type InputValue = string`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
+value | String / Number | - | 输入框的值。支持语法糖 `v-model` 或 `v-model:value`。TS 类型：`InputValue` `type InputValue = string \| number`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
+defaultValue | String / Number | - | 输入框的值。非受控属性。TS 类型：`InputValue` `type InputValue = string \| number`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/input/type.ts) | N
 onBlur | Function |  | TS 类型：`(value: InputValue, context: { e: FocusEvent }) => void`<br/>失去焦点时触发 | N
 onChange | Function |  | TS 类型：`(value: InputValue, context?: { e?: InputEvent \| MouseEvent \| CompositionEvent; trigger: 'input' \| 'initial' \| 'clear' }) => void`<br/>输入框值发生变化时触发。`trigger=initial` 表示传入的数据不符合预期，组件自动处理后触发 change 告知父组件。如：初始值长度超过 `maxlength` 限制 | N
 onClear | Function |  | TS 类型：`(context: { e: MouseEvent }) => void`<br/>清空按钮点击时触发 | N
diff --git a/src/input/input.tsx b/src/input/input.tsx
index 90c5a9fdc..708b38a43 100644
--- a/src/input/input.tsx
+++ b/src/input/input.tsx
@@ -196,6 +196,7 @@ export default defineComponent({
                 maxlength={props.maxlength || -1}
                 pattern={props.pattern}
                 inputmode={props.inputmode}
+                spellcheck={props.spellCheck}
                 onFocus={handleFocus}
                 onBlur={handleBlur}
                 onInput={handleInput}
diff --git a/src/input/props.ts b/src/input/props.ts
index 289010ecf..336a491e4 100644
--- a/src/input/props.ts
+++ b/src/input/props.ts
@@ -73,6 +73,8 @@ export default {
   },
   /** 只读状态 */
   readonly: Boolean,
+  /** 是否开启拼写检查，HTML5 原生属性，[点击查看详情](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/spellcheck) */
+  spellCheck: Boolean,
   /** 输入框状态。默认情况会由组件内部根据实际情况呈现，如果文本过长引起的状态变化 */
   status: {
     type: String as PropType<TdInputProps['status']>,
@@ -115,7 +117,6 @@ export default {
   /** 输入框的值，非受控属性 */
   defaultValue: {
     type: [String, Number] as PropType<TdInputProps['defaultValue']>,
-    default: '',
   },
   /** 失去焦点时触发 */
   onBlur: Function as PropType<TdInputProps['onBlur']>,
diff --git a/src/input/type.ts b/src/input/type.ts
index c30a8da28..26eaa9f1a 100644
--- a/src/input/type.ts
+++ b/src/input/type.ts
@@ -79,6 +79,11 @@ export interface TdInputProps {
    * @default false
    */
   readonly?: boolean;
+  /**
+   * 是否开启拼写检查，HTML5 原生属性，[点击查看详情](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/spellcheck)
+   * @default false
+   */
+  spellCheck?: boolean;
   /**
    * 输入框状态。默认情况会由组件内部根据实际情况呈现，如果文本过长引起的状态变化
    */
@@ -102,17 +107,14 @@ export interface TdInputProps {
   type?: 'text' | 'number' | 'url' | 'tel' | 'password' | 'search' | 'submit' | 'hidden';
   /**
    * 输入框的值
-   * @default ''
    */
   value?: InputValue;
   /**
    * 输入框的值，非受控属性
-   * @default ''
    */
   defaultValue?: InputValue;
   /**
    * 输入框的值
-   * @default ''
    */
   modelValue?: InputValue;
   /**
@@ -142,4 +144,4 @@ export interface TdInputProps {
 
 export type InputFormatType = (value: InputValue) => string;
 
-export type InputValue = string;
+export type InputValue = string | number;