diff --git a/pages/component/textarea/textarea.test.js b/pages/component/textarea/textarea.test.js
new file mode 100644
index 0000000000000000000000000000000000000000..a7b9ba16d62a0fd5148447c105df608522305639
--- /dev/null
+++ b/pages/component/textarea/textarea.test.js
@@ -0,0 +1,88 @@
+// uni-app自动化测试教程: uni-app自动化测试教程: https://uniapp.dcloud.net.cn/worktile/auto/hbuilderx-extension/
+
+describe('component-native-textarea', () => {
+
+  let page;
+  let textarea;
+  beforeAll(async () => {
+    page = await program.reLaunch("/pages/component/textarea/textarea");
+    await page.waitFor(3000);
+    textarea = await page.$('.uni-textarea');
+    await page.waitFor(1000);
+  });
+
+  it('focus', async () => {
+    expect(await textarea.property("focus")).toBe(false)
+    await page.setData({
+      focus_boolean: true,
+    })
+    await page.waitFor(500)
+    expect(await textarea.property("focus")).toBe(true)
+  });
+  it("auto-height", async () => {
+    await page.setData({
+      auto_height_boolean: true
+    })
+    await page.waitFor(500)
+    // 原始高度
+    var {
+      width,
+      height
+    } = await textarea.size()
+    expect(height).toBeGreaterThanOrEqual(150)
+    await page.waitFor(500)
+    // 只有一行的高度
+    await page.setData({
+      maxlength: 3,
+    })
+    await page.waitFor(500)
+    await page.setData({
+      default_value: "第一行\n第二行\n第三行",
+    })
+    await page.waitFor(500)
+    var {
+      width,
+      height
+    } = await textarea.size()
+    expect(height).toBeLessThanOrEqual(50)
+
+    // 四行的高度
+    await page.setData({
+      maxlength: -1,
+    })
+    await page.waitFor(500)
+    await page.setData({
+      default_value: "第一行\n第二行\n第三行\n第四行",
+    })
+    await page.waitFor(500)
+    var {
+      width,
+      height
+    } = await textarea.size()
+    expect(height).toBeLessThanOrEqual(150)
+  })
+
+  it("inputmode", async () => {
+    const inputmodeEnum = await page.data("inputmode_enum")
+    for (var i = 0; i < inputmodeEnum.length; i++) {
+      var x = inputmodeEnum[i]
+      console.log(x['value'], x['name'])
+      await page.callMethod("radio_change_inputmode_enum", x['value']);
+      await page.waitFor(500)
+      expect(await textarea.property("inputmode")).toEqual(x['name'])
+      await page.waitFor(500)
+    }
+  })
+
+  it("confirm-type", async () => {
+    const inputmodeEnum = await page.data("confirm_type_enum")
+    for (var i = 0; i < inputmodeEnum.length; i++) {
+      var x = inputmodeEnum[i]
+      console.log(x['value'], x['name'])
+      await page.callMethod("radio_change_confirm_type_enum", x['value']);
+      await page.waitFor(500)
+      expect(await textarea.property("confirm-type")).toEqual(x['name'])
+      await page.waitFor(500)
+    }
+  })
+});
diff --git a/pages/component/textarea/textarea.uvue b/pages/component/textarea/textarea.uvue
index 8646b28c3e8a774bcfe3ca1d20f896492803d2e4..2114cd467eb679f7821b50542c5cf251a505a144 100644
--- a/pages/component/textarea/textarea.uvue
+++ b/pages/component/textarea/textarea.uvue
@@ -9,13 +9,16 @@ export default {
 			auto_height_boolean: false,
 			confirm_hold_boolean: false,
 			focus_boolean: false,
-			auto_focus_boolean: false,
+			auto_focus_boolean: false,
+      default_value:"",
+      maxlength:-1,
 			confirm_type_enum: [{"value":0,"name":"send"},{"value":1,"name":"search"},{"value":2,"name":"next"},{"value":3,"name":"go"},{"value":4,"name":"done"}] as ItemType[],
 			confirm_type_enum_current: 0,
 			inputmode_enum: [{"value":0,"name":"none"},{"value":1,"name":"text"},{"value":2,"name":"decimal"},{"value":3,"name":"numeric"},{"value":4,"name":"tel"},{"value":5,"name":"search"},{"value":6,"name":"email"},{"value":7,"name":"url"}] as ItemType[],
 			inputmode_enum_current: 0
 		}
-	},
+	},
+
 	methods: {
 		textarea_click() { console.log("组件被点击时触发") },
 		textarea_touchstart() { console.log("手指触摸动作开始") },
@@ -45,7 +48,8 @@ export default {
 
 <template>
   <view class="main">
-    <textarea
+    <textarea
+    :value="default_value"
       class="uni-textarea"
       :auto-focus="auto_focus_boolean"
       :focus="focus_boolean"
@@ -55,7 +59,8 @@ export default {
       :fixed="fixed_boolean"
       :show-confirm-bar="show_confirm_bar_boolean"
       :adjust-position="adjust_position_boolean"
-      :inputmode="inputmode_enum[inputmode_enum_current].name"
+      :inputmode="inputmode_enum[inputmode_enum_current].name"
+      :maxlength="maxlength"
       @click="textarea_click"
       @touchstart="textarea_touchstart"
       @touchmove="textarea_touchmove"
@@ -81,7 +86,8 @@ export default {
         :defaultValue="false"
         title="键盘弹起时，是否自动上推页面"
         @change="change_adjust_position_boolean"
-      ></boolean-data>
+      ></boolean-data>
+      <!-- #ifdef !APP -->
       <boolean-data
         :defaultValue="false"
         title="是否显示键盘上方带有”完成“按钮那一栏"
@@ -91,7 +97,8 @@ export default {
         :defaultValue="false"
         title="如果 textarea 是在一个 position:fixed 的区域，需要显示指定属性 fixed 为 true"
         @change="change_fixed_boolean"
-      ></boolean-data>
+      ></boolean-data>
+      <!-- #endif -->
       <boolean-data
         :defaultValue="false"
         title="是否自动增高，设置auto-height时，style.height不生效"
@@ -103,22 +110,22 @@ export default {
         @change="change_confirm_hold_boolean"
       ></boolean-data>
       <boolean-data
-        :defaultValue="false"
+        :defaultValue="focus_boolean"
         title="获取焦点"
-        @change="change_focus_boolean"
+        @change="change_focus_boolean" class="textarea-focus"
       ></boolean-data>
       <boolean-data
         :defaultValue="false"
         title="自动获取焦点"
         @change="change_auto_focus_boolean"
       ></boolean-data>
-      <enum-data
+      <enum-data class="textarea-confirm"
         :items="confirm_type_enum"
         title="设置键盘右下角按钮的文字"
         @change="radio_change_confirm_type_enum"
       ></enum-data>
       <enum-data
-        :items="inputmode_enum"
+        :items="inputmode_enum" class="textarea-input"
         title="是一个枚举属性，它提供了用户在编辑元素或其内容时可能输入的数据类型的提示。在符合条件的高版本webview里，uni-app的 web 和 app-vue 平台中可使用本属性。"
         @change="radio_change_inputmode_enum"
       ></enum-data>