diff --git a/packages/opendesign/src/_components/in-input/InInput.vue b/packages/opendesign/src/_components/in-input/InInput.vue
index 61ccfc544dfa3348ede76c5a1ca162a9f998d4b7..e2f68eebce22e4941b4cf2b6bb28dc8c71cb9416 100644
--- a/packages/opendesign/src/_components/in-input/InInput.vue
+++ b/packages/opendesign/src/_components/in-input/InInput.vue
@@ -5,6 +5,7 @@ import { IconClose, IconEyeOn, IconEyeOff } from '../../_utils/icons';
 import { useInput, type UseInputEmitsT } from '../../_headless/use-input';
 import { useInputPassword } from '../../_headless/use-input-password';
 import { useI18n } from '../../locale';
+import { vOModel } from '../../directives';
 
 const props = defineProps(inInputProps);
 const slots = defineSlots<{
@@ -110,18 +111,23 @@ defineExpose({
       <slot name="prefix"></slot>
     </div>
     <div class="o_input-wrap" :class="{ 'o_input-wrap-auto-width': autoWidth }" :date-value="mirrorValue">
+      <!-- 
+        此处 textarea 使用 v-o-model 而非 :value="displayValue" 的原因是：
+        handleInput 会判断当前输入是否是处于输入法输入中，如果是则不更新 displayValue 的值，
+        而"发送验证码"数秒会导致 InInput 组件更新，此时 displayValue 未更新，因此input元素的value会再次被置为旧值，
+        进而导致输入法无法输入的bug
+      -->
       <input
         :id="props.inputId"
         ref="inputEl"
+        v-o-model="{ handleInput, modelValue: displayValue }"
         class="o_input-input"
-        :value="displayValue"
         :type="inputType"
         :placeholder="props.placeholder"
         :readonly="props.readonly"
         :disabled="props.disabled"
         @focus="handleFocus"
         @blur="handleBlur"
-        @input="handleInput"
         @keydown="handlePressEnter"
       />
     </div>
diff --git a/packages/opendesign/src/_components/in-textarea/InTextarea.vue b/packages/opendesign/src/_components/in-textarea/InTextarea.vue
index bcfc6fc61d7617ccfb73d78776bb25d7491d82af..ec5fed01bd943c50f922400ec9a98062b5af28af 100644
--- a/packages/opendesign/src/_components/in-textarea/InTextarea.vue
+++ b/packages/opendesign/src/_components/in-textarea/InTextarea.vue
@@ -5,6 +5,7 @@ import { IconClose } from '../../_utils/icons';
 import { useInput } from '../../_headless/use-input';
 import { useI18n } from '../../locale';
 import { vScrollbar } from '../../scrollbar';
+import { vOModel } from '../../directives';
 
 const props = defineProps(inTextareaProps);
 
@@ -124,7 +125,7 @@ defineExpose({
       <textarea
         :id="props.textareaId"
         ref="inputEl"
-        :value="displayValue"
+        v-o-model="{ handleInput, modelValue: displayValue }"
         class="o_textarea-textarea"
         :placeholder="props.placeholder"
         :readonly="props.readonly"
@@ -137,7 +138,6 @@ defineExpose({
         v-scrollbar="scrollbarProps"
         @focus="handleFocus"
         @blur="handleBlur"
-        @input="handleInput"
       ></textarea>
       <div v-if="isClearable" class="o_textarea-icon o_textarea-clear" @click="handleClear" @mousedown.prevent>
         <IconClose class="o_textarea-clear-icon" />
diff --git a/packages/opendesign/src/directives/index.ts b/packages/opendesign/src/directives/index.ts
index d92e7281d6a564a7a23874def074a9b380c79459..4bdb6a036028fcd598d06392970508b76b969e7d 100644
--- a/packages/opendesign/src/directives/index.ts
+++ b/packages/opendesign/src/directives/index.ts
@@ -3,3 +3,4 @@ export * from './focus';
 export * from './on-intersection';
 export * from './on-resize';
 export * from './uid';
+export * from './o-model';
diff --git a/packages/opendesign/src/directives/o-model.ts b/packages/opendesign/src/directives/o-model.ts
new file mode 100644
index 0000000000000000000000000000000000000000..d987b67c4721f94ce47e4f894ef59633885fd005
--- /dev/null
+++ b/packages/opendesign/src/directives/o-model.ts
@@ -0,0 +1,25 @@
+import { type ObjectDirective } from 'vue';
+
+export const vOModel: ObjectDirective<HTMLInputElement | HTMLTextAreaElement> = {
+  created(el, { value }) {
+    const { handleInput } = value;
+    if (typeof handleInput !== 'function') {
+      throw new Error('v-o-model: handleInput is not a function');
+    }
+    el.addEventListener('input', handleInput);
+  },
+  mounted(el, { value }) {
+    const { modelValue } = value;
+    el.value = modelValue == null ? '' : modelValue;
+  },
+  beforeUpdate(el, { value }) {
+    if ((el as any).composing) {
+      return;
+    }
+    const { modelValue } = value;
+    if (el.value === modelValue) {
+      return;
+    }
+    el.value = modelValue == null ? '' : modelValue;
+  },
+};
diff --git a/packages/opendesign/src/hooks/use-composition.ts b/packages/opendesign/src/hooks/use-composition.ts
index a91c78e033ac5b084dfe7c4cf6b68b0a5c2f0660..9500de3a5c42e2746143f3d19b22246b39173f4c 100644
--- a/packages/opendesign/src/hooks/use-composition.ts
+++ b/packages/opendesign/src/hooks/use-composition.ts
@@ -5,8 +5,10 @@ export function useComposition({ el }: { el?: Ref<HTMLElement | undefined> } = {
   const isComposing = ref(false);
 
   // 开始中文输入
-  const onCompositionStart = () => {
+  const onCompositionStart = (e: Event) => {
     isComposing.value = true;
+    // e.target.composing 会在 vOModel 中使用
+    (e.target as any).composing = true;
   };
   // 结束中文输入
   const onCompositionEnd = (e: Event) => {
@@ -15,6 +17,7 @@ export function useComposition({ el }: { el?: Ref<HTMLElement | undefined> } = {
     }
 
     isComposing.value = false;
+    (e.target as any).composing = false;
     trigger(e.target as HTMLElement, 'input');
   };
 
@@ -24,6 +27,9 @@ export function useComposition({ el }: { el?: Ref<HTMLElement | undefined> } = {
     }
     el.value.addEventListener('compositionstart', onCompositionStart);
     el.value.addEventListener('compositionend', onCompositionEnd);
+    // Safari < 10.2 & UIWebView 在确认输入法选项前切换焦点时不会触发 compositionend 事件；
+    // 同时解决了某些浏览器（如 iOS Chrome）在自动填充时触发"change"事件而非"input"事件的问题。
+    el.value.addEventListener('change', onCompositionEnd);
   });
 
   onUnmounted(() => {
diff --git a/packages/opendesign/src/input/__demo__/InputVerification.vue b/packages/opendesign/src/input/__demo__/InputVerification.vue
index 874104ef3b2c5d2282ed015b4470333fb83b9fb9..3d064453573dcad5072fac7afe358e87624ff390 100644
--- a/packages/opendesign/src/input/__demo__/InputVerification.vue
+++ b/packages/opendesign/src/input/__demo__/InputVerification.vue
@@ -1,9 +1,7 @@
 <script setup lang="ts">
 import { ref } from 'vue';
 import { OInput } from '../index';
-import { OLink } from '../../link/index';
 import { IconSuccess } from '../../_utils/icons';
-import '../../link/style';
 
 function doRequestSendCode() {
   return new Promise((resolve, reject) => {
@@ -72,15 +70,12 @@ const onInput = (_e: Event, value: string) => {
     <div>
       <OInput v-model="codeValue" @input="onInput" style="width: 200px">
         <template #suffix>
-          <OLink
-            :color="verifingCode ? 'normal' : 'primary'"
-            :loading="sendingCodeRequest"
-            tag="button"
-            :disabled="verifingCode || sendingCodeRequest"
-            @click="sendCode"
-          >
+          <!-- vue更新的颗粒度为组件级，若用 OLink 组件则不能复现点击"发送验证码"后，用中文输入法无法输入的bug -->
+          <!-- 使用OLink，sendLabel更新会导致OLink组件重建虚拟节点，不会导致InInput组件更新，从而不会复现bug -->
+          <!-- 使用span，sendLabel更新会导致InInput组件更新，从而可以复现bug -->
+          <span @click="sendCode">
             {{ sendLabel }}
-          </OLink>
+          </span>
         </template>
       </OInput>
       <div class="code-verify-result" v-if="codeValid"><IconSuccess class="icon-success" />验证通过</div>
diff --git a/packages/opendesign/src/textarea/__demo__/TextareaVerification.vue b/packages/opendesign/src/textarea/__demo__/TextareaVerification.vue
new file mode 100644
index 0000000000000000000000000000000000000000..4543d0036d11c933d42a8429edb550b85242ecc1
--- /dev/null
+++ b/packages/opendesign/src/textarea/__demo__/TextareaVerification.vue
@@ -0,0 +1,94 @@
+<script setup lang="ts">
+import { ref } from 'vue';
+import { OTextarea } from '../index';
+import { IconSuccess } from '../../_utils/icons';
+
+function doRequestSendCode() {
+  return new Promise((resolve, reject) => {
+    setTimeout(() => {
+      resolve(true);
+    }, 1000);
+  });
+}
+
+const codeValue = ref('');
+const verifingCode = ref(false);
+const codeValid = ref(false);
+
+const TIME = 20;
+const sendLabel = ref('发送验证码');
+const countdown = ref(TIME);
+let countHandler = -1;
+const startCounting = () => {
+  const run = () => {
+    if (countdown.value === 0) {
+      endCounting();
+      sendLabel.value = '再次发送';
+      return;
+    } else {
+      sendLabel.value = `重新获取(${countdown.value})`;
+    }
+    countdown.value--;
+  };
+  run();
+  countHandler = window.setInterval(run, 1000);
+};
+const endCounting = () => {
+  if (countHandler > -1) {
+    clearInterval(countHandler);
+    countHandler = -1;
+    countdown.value = TIME;
+    verifingCode.value = false;
+    sendLabel.value = '发送验证码';
+  }
+};
+const sendingCodeRequest = ref(false);
+const sendCode = async () => {
+  codeValue.value = '';
+  codeValid.value = false;
+  sendingCodeRequest.value = true;
+  await doRequestSendCode();
+  sendingCodeRequest.value = false;
+  startCounting();
+  verifingCode.value = true;
+};
+const verifyCode = (code: string) => {
+  return code.length === 4 && code === '1234';
+};
+
+const onChange = (value: string):void => {
+  if (!verifingCode.value) {
+    return;
+  }
+  codeValid.value = verifyCode(value);
+};
+</script>
+<template>
+  <h4>验证码输入框</h4>
+  <div>验证码: 1234</div>
+  <div class="block">
+    <div>
+      <OTextarea v-model="codeValue" @change="onChange" style="width: 200px">
+        <template #suffix>
+          <span @click="sendCode">
+            {{ sendLabel }}
+          </span>
+        </template>
+      </OTextarea>
+      <div class="code-verify-result" v-if="codeValid"><IconSuccess class="icon-success" />验证通过</div>
+    </div>
+  </div>
+</template>
+<style lang="scss" scoped>
+.code-verify-result {
+  margin-top: 4px;
+  margin-left: 16px;
+  font-size: var(--o-font_size-tip2);
+  line-height: var(--o-line_height-tip2);
+}
+.icon-success {
+  color: var(--o-color-success1);
+  font-size: var(--o-font_size-text1);
+  margin-right: 2px;
+}
+</style>
diff --git a/packages/opendesign/src/textarea/__demo__/TheIndex.vue b/packages/opendesign/src/textarea/__demo__/TheIndex.vue
index 68af36de137e9a51b3043c3a84d4711ad3bf1258..5af2dba351983b261f3e7d5f5b33036dbadbc403 100644
--- a/packages/opendesign/src/textarea/__demo__/TheIndex.vue
+++ b/packages/opendesign/src/textarea/__demo__/TheIndex.vue
@@ -5,12 +5,14 @@ import '../../option/style';
 import TextareaBasic from './TextareaBasic.vue';
 import TextareaAutoHeight from './TextareaAutoHeight.vue';
 import TextareaSlot from './TextareaSlot.vue';
+import TextareaVerification from './TextareaVerification.vue';
 </script>
 <template>
   <div class="page-demo">
     <TextareaBasic />
     <TextareaAutoHeight />
     <TextareaSlot />
+    <TextareaVerification />
   </div>
 </template>
 <style lang="scss"></style>