diff --git a/src/input/src/Input.vue b/src/input/src/Input.vue
index 1c3a0cc9e..a05f21fb7 100644
--- a/src/input/src/Input.vue
+++ b/src/input/src/Input.vue
@@ -53,74 +53,94 @@
       @change="handleChange"
       @keyup="handleKeyUp"
     />
-    <div v-else class="n-input-first-input">
-      <input
-        ref="input"
-        :type="type"
-        class="n-input__input n-input__input--first"
-        :tabindex="passivelyActivated && !inputFocused ? -1 : false"
-        :placeholder="mergedPlaceholder[0]"
-        :disabled="disabled"
-        :maxlength="maxlength"
-        :minlength="minlength"
-        :value="pair ? mergedValue && mergedValue[0] : mergedValue"
-        :readonly="readonly"
-        :autofocus="autofocus"
-        :size="attrSize"
-        @blur="handleInputBlur"
-        @focus="handleInputFocus"
-        @input="handleInput($event, 0)"
-        @change="handleChange($event, 0)"
-        @keyup="handleKeyUp"
+    <div v-else class="n-input-wrapper">
+      <n-icon-config-provider
+        v-if="$slots.affix || $slots.prefix"
+        class="n-input__prefix"
+        :depth="disabled ? 5 : 4"
       >
-      <div v-if="showPlaceholder1" class="n-input__placeholder">
-        {{ mergedPlaceholder[0] }}
+        <slot name="affix">
+          <slot name="prefix" />
+        </slot>
+      </n-icon-config-provider>
+      <div class="n-input__input">
+        <input
+          ref="inputRef"
+          :type="type"
+          class="n-input__input-el"
+          :tabindex="passivelyActivated && !inputFocused ? -1 : false"
+          :placeholder="mergedPlaceholder[0]"
+          :disabled="disabled"
+          :maxlength="maxlength"
+          :minlength="minlength"
+          :value="pair ? mergedValue && mergedValue[0] : mergedValue"
+          :readonly="readonly"
+          :autofocus="autofocus"
+          :size="attrSize"
+          @blur="handleInputBlur"
+          @focus="handleInputFocus"
+          @input="handleInput($event, 0)"
+          @change="handleChange($event, 0)"
+          @keyup="handleKeyUp"
+        >
+        <div v-if="showPlaceholder1" class="n-input__placeholder">
+          {{ mergedPlaceholder[0] }}
+        </div>
       </div>
+      <n-icon-config-provider
+        v-if="!pair"
+        class="n-input__suffix"
+        :depth="disabled ? 5 : 4"
+      >
+        <slot name="suffix" />
+        <n-base-clear-button
+          v-if="clearable || $slots.clear"
+          :theme="'light'"
+          :show="showClearButton"
+          @clear="handleClear"
+        >
+          <slot name="clear" />
+        </n-base-clear-button>
+      </n-icon-config-provider>
     </div>
     <span v-if="pair" class="n-input__splitor">
       {{ separator }}
     </span>
-    <div v-if="pair" class="n-input-second-input">
-      <input
-        ref="input2"
-        :type="type"
-        class="n-input__input n-input__input--second"
-        :tabindex="passivelyActivated && !inputFocused ? -1 : false"
-        :placeholder="mergedPlaceholder[1]"
-        :disabled="disabled"
-        :maxlength="maxlength"
-        :minlength="minlength"
-        :value="mergedValue && mergedValue[1]"
-        :readonly="readonly"
-        @blur="handleInputBlur"
-        @focus="handleInputFocus"
-        @input="handleInput($event, 1)"
-        @change="handleChange($event, 1)"
-        @keyup="handleKeyUp"
-      >
-      <div v-if="showPlaceholder2" class="n-input__placeholder">
-        {{ mergedPlaceholder[1] }}
+    <div v-if="pair" class="n-input-wrapper">
+      <div class="n-input__input">
+        <input
+          ref="input2Ref"
+          :type="type"
+          class="n-input__input-el"
+          :tabindex="passivelyActivated && !inputFocused ? -1 : false"
+          :placeholder="mergedPlaceholder[1]"
+          :disabled="disabled"
+          :maxlength="maxlength"
+          :minlength="minlength"
+          :value="mergedValue && mergedValue[1]"
+          :readonly="readonly"
+          @blur="handleInputBlur"
+          @focus="handleInputFocus"
+          @input="handleInput($event, 1)"
+          @change="handleChange($event, 1)"
+          @keyup="handleKeyUp"
+        >
+        <div v-if="showPlaceholder2" class="n-input__placeholder">
+          {{ mergedPlaceholder[1] }}
+        </div>
       </div>
+      <n-icon-config-provider class="n-input__suffix" :depth="disabled ? 5 : 4">
+        <slot name="suffix" />
+        <n-base-clear-button
+          v-if="clearable || $slots.clear"
+          :theme="'light'"
+          :show="showClearButton"
+          @clear="handleClear"
+        >
+          <slot name="clear" />
+        </n-base-clear-button>
+      </n-icon-config-provider>
     </div>
-    <n-icon-config-provider
-      v-if="$slots.affix || $slots.prefix"
-      class="n-input__prefix"
-      :depth="disabled ? 5 : 4"
-    >
-      <slot name="affix">
-        <slot name="prefix" />
-      </slot>
-    </n-icon-config-provider>
-    <n-icon-config-provider class="n-input__suffix" :depth="disabled ? 5 : 4">
-      <slot name="suffix" />
-      <n-base-clear-button
-        :theme="'light'"
-        :show="showClearButton"
-        @clear="handleClear"
-      >
-        <slot name="clear" />
-      </n-base-clear-button>
-    </n-icon-config-provider>
     <div v-if="showTextareaPlaceholder" class="n-input__placeholder">
       {{ placeholder }}
     </div>
@@ -137,7 +157,8 @@ import {
   ref,
   toRef,
   watch,
-  onMounted
+  onMounted,
+  getCurrentInstance
 } from 'vue'
 import { useMergedState } from 'vooks'
 import { NBaseClearButton } from '../../_base'
@@ -164,6 +185,7 @@ function createMethods (
     textareaMirrorRef
   }
 ) {
+  const vm = getCurrentInstance().proxy
   const doInput = (value) => {
     const { 'onUpdate:value': onUpdateValue, onInput } = props
     const { nTriggerFormInput } = formItem
@@ -254,8 +276,9 @@ function createMethods (
       value[index] = changedValue
       event === 'input' ? doInput(value) : doChange(value)
     }
-    /** force update to sync input's view with value */
-    // ? this.$forceUpdate()
+    // force update to sync input's view with value
+    // if not set, after input, input value won't sync with dom input value
+    vm.$forceUpdate()
   }
   const handleInputBlur = (e) => {
     doInputBlur(e)
@@ -336,8 +359,11 @@ function createMethods (
   }
   const handleWrapperKeyDownEnter = (e) => {
     if (props.passivelyActivated) {
-      if (inputFocusedRef.value && props.deactivateOnEnter) {
-        handleWrapperKeyDownEsc()
+      const { value: focused } = inputFocusedRef
+      if (focused) {
+        if (props.deactivateOnEnter) {
+          handleWrapperKeyDownEsc()
+        }
         return
       }
       e.preventDefault()
@@ -383,7 +409,8 @@ function createMethods (
     handleChange,
     handleClick,
     handleClear,
-    handleWrapperKeyDownEnter
+    handleWrapperKeyDownEnter,
+    handleWrapperKeyDownEsc
   }
 }
 
diff --git a/src/input/src/InputGroupLabel.vue b/src/input/src/InputGroupLabel.vue
index d9b428bff..f592efbbe 100644
--- a/src/input/src/InputGroupLabel.vue
+++ b/src/input/src/InputGroupLabel.vue
@@ -43,12 +43,14 @@ export default defineComponent({
             textColor,
             lineHeight,
             fontSize,
+            border,
             [createKey('height', size)]: height
           }
         } = themeRef.value
         return {
           '--bezier': cubicBezierEaseInOut,
           '--group-label-color': groupLabelColor,
+          '--border': border,
           '--border-radius': borderRadius,
           '--text-color': textColor,
           '--font-size': fontSize,
diff --git a/src/input/src/styles/input-group-label.cssr.js b/src/input/src/styles/input-group-label.cssr.js
index 82cf65f08..64194055c 100644
--- a/src/input/src/styles/input-group-label.cssr.js
+++ b/src/input/src/styles/input-group-label.cssr.js
@@ -32,6 +32,6 @@ export default cB('input-group-label', `
     bottom: 0;
     border-radius: inherit;
     border: var(--border);
-    transition: 'border-color .3s var(--bezier);
+    transition: border-color .3s var(--bezier);
   `)
 ])
diff --git a/src/input/src/styles/input-group.cssr.js b/src/input/src/styles/input-group.cssr.js
index a9466124a..f8ecada45 100644
--- a/src/input/src/styles/input-group.cssr.js
+++ b/src/input/src/styles/input-group.cssr.js
@@ -11,22 +11,12 @@ export default cB('input-group', `
       c('&:not(:last-child)', `
         border-top-right-radius: 0!important;
         border-bottom-right-radius: 0!important;
-      `, [
-        cE('box-shadow, state-border, border', `
-          border-top-right-radius: 0!important;
-          border-bottom-right-radius: 0!important;
-        `)
-      ]),
+      `),
       c('&:not(:first-child)', `
         border-top-left-radius: 0!important;
         border-bottom-left-radius: 0!important;
         margin-left: -1px!important;
-      `, [
-        cE('box-shadow, state-border, border', `
-          border-top-left-radius: 0!important;
-          border-bottom-left-radius: 0!important;
-        `)
-      ])
+      `)
     ]),
     cB('input-number', [
       c('&:not(:last-child)', `
@@ -97,12 +87,7 @@ export default cB('input-group', `
           cB('input', `
             border-top-right-radius: 0!important;
             border-bottom-right-radius: 0!important;
-          `, [
-            cE('box-shadow, state-border, border', `
-              border-top-right-radius: 0!important;
-              border-bottom-right-radius: 0!important;
-            `)
-          ]),
+          `),
           cB('base-selection', [
             cB('base-selection-label', `
               border-top-right-radius: 0!important;
@@ -128,12 +113,7 @@ export default cB('input-group', `
           cB('input', `
             border-top-left-radius: 0!important;
             border-bottom-left-radius: 0!important;
-          `, [
-            cE('box-shadow, border, state-border', `
-              border-top-left-radius: 0!important;
-              border-bottom-left-radius: 0!important;
-            `)
-          ]),
+          `),
           cB('base-selection', [
             cB('base-selection-label', `
               border-top-left-radius: 0!important;
diff --git a/src/input/src/styles/input.cssr.js b/src/input/src/styles/input.cssr.js
index a9fa361da..8674a87bf 100644
--- a/src/input/src/styles/input.cssr.js
+++ b/src/input/src/styles/input.cssr.js
@@ -1,5 +1,4 @@
 import { cB, c, cE, cM, cNotM } from '../../../_utils/cssr'
-import fadeInScaleUpTransition from '../../../_styles/transitions/fade-in-scale-up'
 
 // vars:
 // --bezier
@@ -32,93 +31,125 @@ export default c([
     box-sizing: border-box;
     position: relative;
     width: 100%;
-    display: inline-block;
+    display: inline-flex;
     border-radius: var(--border-radius);
     background-color: var(--color);
     transition: background-color .3s var(--bezier);
     --padding-vertical: calc((var(--height) - 1.5 * var(--font-size)) / 2);
   `, [
-    cE('input', {
-      height: 'var(--height)'
-    }),
-    cE('input, textarea, textarea-mirror, splitor, placeholder', `
-      padding-left: var(--padding-left);
-      padding-right: var(--padding-right);
-      padding-top: var(--padding-vertical);
-      padding-bottom: var(--padding-vertical);
-      font-size: var(--font-size);
-      line-height: 1.5;
+    // common
+    cE('input', `
+      flex-grow: 1;
+      position: relative;
     `),
-    // cM('suffix, clearable', [
-    //   cM('split', [
-    //     cE('input', [
-    //       cM('second', {
-    //         // paddingRight: `${paddingIcon} !important`
-    //       }, [
-    //         c('& +', [
-    //           cE('placeholder', {
-    //             // right: `${paddingIcon} !important`
-    //           })
-    //         ])
-    //       ])
-    //     ])
-    //   ]),
-    //   cNotM('split', [
-    //     cE('input', [
-    //       cM('first', {
-    //         // paddingRight: `${paddingIcon} !important`
-    //       })
-    //     ]),
-    //     cE('placeholder', {
-    //       //right: `${paddingIcon} !important`
-    //     })
-    //   ])
-    // ]),
-    // cM('prefix', [
-    //   cNotM('split', [
-    //     cE('placeholder', {
-    //       left: `${paddingIcon} !important`
-    //     })
-    //   ]),
-    //   cM('split', [
-    //     cE('input', [
-    //       cM('first', [
-    //         c('& +', [
-    //           cE('placeholder', {
-    //             left: `${paddingIcon} !important`
-    //           })
-    //         ])
-    //       ])
-    //     ])
-    //   ]),
-    //   cE('input', [
-    //     cM('first', {
-    //       paddingLeft: `${paddingIcon} !important`
-    //     })
-    //   ])
-    // ]),
+    cE('input-el, textarea, textarea-mirror, splitor, placeholder', `
+      box-sizing: border-box;
+      font-size: inherit;
+      line-height: 1.5;
+      font-family: inherit;
+      border: none;
+      outline: none;
+      background-color: transparent;
+      transition:
+        caret-color .3s var(--bezier),
+        color .3s var(--bezier),
+        text-decoration-color .3s var(--bezier);
+    `),
+    cE('input-el, textarea', `
+      -webkit-appearance: none;
+      width: 100%;
+      min-width: 0;
+      text-decoration-color: var(--text-decoration-color);
+      color: var(--text-color);
+      caret-color: var(--caret-color);
+    `, [
+      c('&::placeholder', {
+        color: 'transparent'
+      })
+    ]),
     cM('round', [
       cNotM('textarea', {
         borderRadius: 'calc(var(--height) / 2)'
       })
     ]),
-    cM('split', {
-      display: 'inline-flex'
+    cE('placeholder', `
+      pointer-events: none;
+      position: absolute;
+      left: 0;
+      right: 0;
+      top: 0;
+      bottom: 0;
+      overflow: hidden;
+      color: var(--placeholder-color);
+    `),
+    // input
+    cB('input-wrapper', `
+      display: inline-flex;
+      flex-grow: 1;
+      position: relative;
+      padding-left: var(--padding-left);
+      padding-right: var(--padding-right);
+    `),
+    cE('input-el', {
+      padding: 0,
+      height: 'var(--height)'
     }, [
-      cE('input, placeholder', {
-        textAlign: 'center'
-      })
+      c('+', [
+        cE('placeholder', `
+          display: flex;
+          align-items: center;  
+        `)
+      ])
     ]),
     cNotM('textarea', [
       cE('placeholder', {
         whiteSpace: 'nowrap'
       })
     ]),
+    // textarea
     cM('textarea', [
-      cE('placeholder', {
-        whiteSpace: 'unset'
-      })
+      cE('textarea, textarea-mirror, placeholder', `
+        padding-left: var(--padding-left);
+        padding-right: var(--padding-right);
+        padding-top: var(--padding-vertical);
+        padding-bottom: var(--padding-vertical);
+        display: inline-block;
+        vertical-align: bottom;
+        box-sizing: border-box;
+        line-height: var(--line-height-textarea);
+        margin: 0;
+        resize: vertical;
+      `),
+      cE('textarea', [
+        cM('autosize', `
+          position: absolute;
+          top: 0;
+          left: 0;
+          height: 100%;
+          resize: none;
+        `)
+      ]),
+      cE('textarea-mirror', `
+        overflow: hidden;
+        visibility: hidden;
+        position: static;
+        white-space: pre-wrap;
+        overflow-wrap: break-word;
+      `)
     ]),
+    // pair
+    cM('split', [
+      cE('input-el, placeholder', {
+        textAlign: 'center'
+      }),
+      cE('splitor', `
+        display: flex;
+        align-items: center;
+        transition: color .3s var(--bezier);
+        color: var(--text-color);
+      `)
+    ]),
+
     cM('disabled', {
       cursor: 'not-allowed',
       backgroundColor: 'var(--color-disabled)'
@@ -126,7 +157,7 @@ export default c([
       cE('border', {
         border: 'var(--border-disabled)'
       }),
-      cE('input, textarea', {
+      cE('input-el, textarea', {
         cursor: 'not-allowed',
         color: 'var(--text-color-disabled)'
       }),
@@ -166,118 +197,31 @@ export default c([
         box-shadow .3s var(--bezier),
         border-color .3s var(--bezier);
     `),
-    cE('state-border', {
-      borderColor: 'transparent',
-      zIndex: 1
-    }),
-    cE('placeholder', `
-      box-sizing: border-box;
-      pointer-events: none;
-      position: absolute;
-      left: 0;
-      right: 0;
-      top: 0;
-      bottom: 0;
-      overflow: hidden;
-      transition: color .3s var(--bezier);
-      color: var(--placeholder-color);
+    cE('state-border', `
+      border-color: transparent;
+      z-index: 1;
     `),
+    cE('prefix', {
+      marginRight: '4px'
+    }),
+    cE('suffix', {
+      marginLeft: '4px'
+    }),
     cE('suffix, prefix', `
-      position: absolute;
-      line-height: 1;
-      height: 0;
+      line-height: 1.5;
       white-space: nowrap;
-      display: flex;
+      display: inline-flex;
       align-items: center;
-      top: 50%;
-      width: var(--icon-size);
+      justify-content: center;
+      min-width: var(--icon-size);
     `, [
       cB('base-clear-button', {
         fontSize: 'var(--icon-size)'
       }),
       cB('icon', {
-        justifySelf: 'center',
         fontSize: 'var(--icon-size)',
         transition: 'color .3s var(--bezier)'
       })
-    ]),
-    cE('suffix', {
-      justifyContent: 'flex-end',
-      right: '12px'
-    }, [
-      fadeInScaleUpTransition() // button suffix
-    ]),
-    cE('prefix', {
-      justifyContent: 'flex-start',
-      left: '12px'
-    }),
-    cE('textarea, textarea-mirror', `
-      display: inline-block;
-      vertical-align: bottom;
-      box-sizing: border-box;
-      font-family: inherit;
-      font-size: inherit;
-      line-height: var(--line-height-textarea);
-      margin: 0;
-      resize: vertical;
-      padding-left: 14px;
-      padding-right: 14px;
-    `),
-    cE('textarea', [
-      cM('autosize', `
-        position: absolute;
-        top: 0;
-        left: 0;
-        height: 100%;
-        resize: none;
-      `)
-    ]),
-    cE('textarea-mirror', `
-      overflow: hidden;
-      visibility: hidden;
-      position: static;
-      white-space: pre-wrap;
-      overflow-wrap: break-word;
-    `),
-    cE('input, textarea', `
-      -webkit-appearance: none;
-      box-sizing: border-box;
-      border: none;
-      font-size: inherit;
-      outline: none;
-      font-family: inherit;
-      width: 100%;
-      background-color: transparent;
-      min-width: 0;
-      text-decoration-color: var(--text-decoration-color);
-      color: var(--text-color);
-      caret-color: var(--caret-color);
-      transition:
-        caret-color .3s var(--bezier),
-        color .3s var(--bezier),
-        text-decoration-color .3s var(--bezier);
-    `, [
-      c('&::placeholder', {
-        color: 'transparent'
-      })
-    ]),
-    cE('splitor', {
-      transition: 'color .3s var(--bezier)',
-      color: 'var(--text-color)',
-      paddingLeft: '0 !important',
-      paddingRight: '0 !important'
-    }),
-    cB('input-clear', {
-      display: 'flex',
-      marginRight: '4px'
-    }),
-    cB('input-first-input', {
-      flexGrow: 1,
-      position: 'relative'
-    }),
-    cB('input-second-input', {
-      flexGrow: 1,
-      position: 'relative'
-    })
+    ])
   ])
 ])
diff --git a/src/input/styles/_common.js b/src/input/styles/_common.js
index 1d65cfe8f..fcadd4ec5 100644
--- a/src/input/styles/_common.js
+++ b/src/input/styles/_common.js
@@ -1,5 +1,5 @@
 export default {
   paddingLeft: '14px',
-  paddingRight: '14px',
+  paddingRight: '8px',
   paddingIcon: '38px'
 }
diff --git a/src/styles.js b/src/styles.js
index e84197857..9f22826d3 100644
--- a/src/styles.js
+++ b/src/styles.js
@@ -46,7 +46,7 @@ export { baseDark, baseLight } from './_styles/base'
 // export { gradientTextDark, gradientTextLight } from './gradient-text/styles'
 // export { gridDark, gridLight } from './grid/styles'
 // export { iconDark, iconLight } from './icon/styles'
-export { inputDark, inputLight } from './input/styles'
+// export { inputDark, inputLight } from './input/styles'
 export { inputNumberDark, inputNumberLight } from './input-number/styles'
 export { layoutDark, layoutLight } from './layout/styles'
 export { listDark, listLight } from './list/styles'
diff --git a/src/styles.new.js b/src/styles.new.js
index 8c6aeaff1..3a9aafb5e 100644
--- a/src/styles.new.js
+++ b/src/styles.new.js
@@ -28,6 +28,7 @@ import { formDark } from './form/styles'
 import { gradientTextDark } from './gradient-text/styles'
 import { gridDark } from './grid/styles'
 import { iconDark } from './icon/styles'
+import { inputDark } from './input/styles'
 
 export const darkTheme = {
   common: commonDark,
@@ -59,5 +60,6 @@ export const darkTheme = {
   Form: formDark,
   GradientText: gradientTextDark,
   Grid: gridDark,
-  Icon: iconDark
+  Icon: iconDark,
+  Input: inputDark
 }