diff --git a/components/input-data/input-data.vue b/components/input-data/input-data.vue
index 7ba87459645a937ec81d3e8ee710e454b0e200cf..c19192e3c17f7500abc917f3315b4211f20814d4 100644
--- a/components/input-data/input-data.vue
+++ b/components/input-data/input-data.vue
@@ -82,7 +82,7 @@
     </view>
   </view>
   <view class="input-wrapper">
-    <input class="uni-input" :type="inputType" :value="inputClearValue" :placeholder="title" @input="input" @blur="blur"
+    <input class="uni-input" :type="inputType" :value="inputClearValue" :placeholder="title" maxlength="-1" @input="input" @blur="blur"
       @focus="focus" />
     <image class="input-wrapper_image" src="/static/icons/clear.png" v-if="showClearIcon" @click="clearIcon">
     </image>
diff --git a/pages/API/choose-image/choose-image.uvue b/pages/API/choose-image/choose-image.uvue
index 2a3bb0d5f62677ef1b708bd0bc20d235ddd2767c..622eeed59bd9d70cbdc5cef2dcafcc0a13593667 100644
--- a/pages/API/choose-image/choose-image.uvue
+++ b/pages/API/choose-image/choose-image.uvue
@@ -46,7 +46,7 @@
                 图片质量(%)
               </view>
               <view class="uni-list-cell-right">
-                <input :value="cropPercent" @confirm="cropPercentConfim" type="number" />
+                <input :value="cropPercent" @confirm="cropPercentConfim" type="number" maxlength="-1"/>
               </view>
             </view>
             <view class="uni-list-cell cell-pd">
@@ -54,7 +54,7 @@
                 裁剪宽度(px)
               </view>
               <view class="uni-list-cell-right">
-                <input :value="cropWidth" @confirm="cropWidthConfim" type="number" />
+                <input :value="cropWidth" @confirm="cropWidthConfim" type="number" maxlength="-1"/>
               </view>
             </view>
             <view class="uni-list-cell cell-pd">
@@ -62,7 +62,7 @@
                 裁剪高度(px)
               </view>
               <view class="uni-list-cell-right">
-                <input :value="cropHeight" @confirm="cropHeightConfim" type="number" />
+                <input :value="cropHeight" @confirm="cropHeightConfim" type="number" maxlength="-1"/>
               </view>
             </view>
             <view class="uni-list-cell cell-pd">
diff --git a/pages/API/facial-recognition-verify/facial-recognition-verify.uvue b/pages/API/facial-recognition-verify/facial-recognition-verify.uvue
index 0a0501674fd7b7025a0e269fd9057a9896628029..70fa9f509d8a56245f45769de2afaed782c9213b 100644
--- a/pages/API/facial-recognition-verify/facial-recognition-verify.uvue
+++ b/pages/API/facial-recognition-verify/facial-recognition-verify.uvue
@@ -7,11 +7,11 @@
       <view class="uni-padding-wrap uni-common-mt">
         <view class="uni-btn-v uni-common-mt">
           <input class="uni-input" type="text" v-model="realName" name="real-name"
-            placeholder="姓名" />
+            placeholder="姓名" maxlength="-1"/>
         </view>
         <view class="uni-btn-v uni-common-mt">
           <input class="uni-input" type="text" v-model="idCard" name="id-card"
-            placeholder="身份证号" />
+            placeholder="身份证号" maxlength="-1"/>
         </view>
         <view class="uni-btn-v uni-common-mt">
           <button type="primary" @click="facialRecognition">开始人脸识别</button>
diff --git a/pages/API/request/request.uvue b/pages/API/request/request.uvue
index 1ce50e3eb4328c2e0ed9e8fa7f26722b187803ca..bf640ead297488c5ac61e3fdd8c9a7881974e357 100644
--- a/pages/API/request/request.uvue
+++ b/pages/API/request/request.uvue
@@ -2,7 +2,7 @@
   <view style="flex: 1;">
     <view class="uni-padding-wrap uni-common-mt">
       <view class="uni-common-mt" style="border-width: 2px;border-style: solid; border-radius: 4px;">
-        <textarea :value="res" class="uni-textarea"></textarea>
+        <textarea :value="res" class="uni-textarea" maxlength="-1"></textarea>
       </view>
       <view>
         <text>地址 : {{ host + url}}</text>
diff --git a/pages/API/storage/storage.uvue b/pages/API/storage/storage.uvue
index 2bfdc94f7116ede588f684849c2bc21b9149014b..cfe87147405a709847d2601057d062b46684aa58 100644
--- a/pages/API/storage/storage.uvue
+++ b/pages/API/storage/storage.uvue
@@ -11,7 +11,7 @@
               <view class="uni-label">key</view>
             </view>
             <view class="uni-list-cell-db">
-              <input class="uni-input" type="text" placeholder="请输入key" name="key" :value="key" @input="keyChange" />
+              <input class="uni-input" type="text" placeholder="请输入key" name="key" :value="key" maxlength="-1" @input="keyChange" />
             </view>
           </view>
           <view class="uni-list-cell">
@@ -20,7 +20,7 @@
             </view>
             <view class="uni-list-cell-db">
               <input class="uni-input" type="text" placeholder="请输入value" name="data"
-                :value="typeof data === 'string' ? data : JSON.stringify(data)" @input="dataChange" />
+                :value="typeof data === 'string' ? data : JSON.stringify(data)" maxlength="-1" @input="dataChange" />
             </view>
           </view>
         </view>
diff --git a/pages/component/form/form.uvue b/pages/component/form/form.uvue
index eb847c6c709b8a4e9c8aa5bb4229dd342ffb978d..79b9d6a56caf00e615a01fe21e80b365775bc42e 100644
--- a/pages/component/form/form.uvue
+++ b/pages/component/form/form.uvue
@@ -6,7 +6,7 @@
       <form @submit="onFormSubmit" @reset="onFormReset">
         <view class="uni-form-item">
           <view class="title">姓名</view>
-          <input class="uni-input" name="nickname" :value="nickname" placeholder="请输入姓名" />
+          <input class="uni-input" name="nickname" :value="nickname" placeholder="请输入姓名" maxlength="-1"/>
         </view>
         <view class="uni-form-item">
           <view class="title">性别</view>
diff --git a/pages/component/unicloud-db-contacts/add.uvue b/pages/component/unicloud-db-contacts/add.uvue
index 5920d493a3a26f038f35603fa1005a7316e28be6..fd216944c21d71a025443996c04b3241c6c69171 100644
--- a/pages/component/unicloud-db-contacts/add.uvue
+++ b/pages/component/unicloud-db-contacts/add.uvue
@@ -16,7 +16,7 @@
       </view>
       <view class="form-item">
         <text class="form-item-label">备注</text>
-        <textarea class="form-item-input" placeholder="备注" name="comment" />
+        <textarea class="form-item-input" placeholder="备注" name="comment" maxlength="-1"/>
       </view>
       <view class="form-item">
         <text class="form-item-label">性别</text>
diff --git a/pages/component/unicloud-db-contacts/edit.uvue b/pages/component/unicloud-db-contacts/edit.uvue
index f303e75273e33136b44f09fd933e0c358de9991a..083d971fc23fd0e17c046508f7351d618bde74db 100644
--- a/pages/component/unicloud-db-contacts/edit.uvue
+++ b/pages/component/unicloud-db-contacts/edit.uvue
@@ -19,7 +19,7 @@
         </view>
         <view class="form-item">
           <text class="form-item-label">备注</text>
-          <textarea class="form-item-input" placeholder="备注" name="comment" :value="data[0].getString('comment')" />
+          <textarea class="form-item-input" placeholder="备注" name="comment" maxlength="-1" :value="data[0].getString('comment')" />
         </view>
         <view class="form-item">
           <text class="form-item-label">性别</text>
diff --git a/pages/component/web-view/web-view.uvue b/pages/component/web-view/web-view.uvue
index cde1948309497bf3d90b2af123128d487a127d9a..e467c2e61a521b57f86dc0109a3c62386778cfea 100644
--- a/pages/component/web-view/web-view.uvue
+++ b/pages/component/web-view/web-view.uvue
@@ -6,7 +6,7 @@
     <!-- #ifdef APP -->
     <view class="uni-padding-wrap uni-common-mt">
       <view class="uni-input-v">
-        <input class="uni-input" confirmType="go" placeholder="输入网址跳转" @confirm="confirm" />
+        <input class="uni-input" confirmType="go" placeholder="输入网址跳转" @confirm="confirm" maxlength="-1"/>
       </view>
       <view class="uni-row uni-btn-v">
         <button class="uni-flex-item" type="primary" @click="back">后退</button>
diff --git a/pages/template/long-list/long-list.uvue b/pages/template/long-list/long-list.uvue
index 192b0954a77cd4a11da2162420225b2596d7feb6..a37e18e6cefea9a648da3e5f31e2e4adfe739422 100644
--- a/pages/template/long-list/long-list.uvue
+++ b/pages/template/long-list/long-list.uvue
@@ -2,7 +2,7 @@
   <scroll-view ref="pageScrollView" class="page" :rebound="false"
     @startnestedscroll="onStartNestedScroll" @nestedprescroll="onNestedPreScroll">
     <view ref="header" class="search-bar">
-      <input placeholder="搜索..." />
+      <input placeholder="搜索..." maxlength="-1"/>
     </view>
     <view class="swiper-list">
       <scroll-view ref="tabScroll" class="swiper-tabs" direction="horizontal" :show-scrollbar="false">