diff --git a/src/form/input.js b/src/form/input.js
new file mode 100644
index 0000000..5ad259a
--- /dev/null
+++ b/src/form/input.js
@@ -0,0 +1,368 @@
+/**
+ * {按钮组件}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2023/03/06 15:17:25
+ */
+
+import { $, bind, unbind, nextTick, css, html, Component } from '@bd/core'
+import '../icon/index.js'
+
+class Input extends Component {
+  static props = {
+    readonly: false,
+    autofocus: false,
+    disabled: false,
+    icon: '',
+    placeholder: '',
+    maxlength: '',
+    minlength: '',
+    value: '',
+    lazy: 0 // 并发拦截时间, 单位毫秒
+  }
+
+  static styles = css`
+    :host {
+      overflow: hidden;
+      display: inline-flex;
+      min-width: 228px;
+      user-select: none;
+      -moz-user-select: none;
+      color: var(--color-dark-1);
+      border-radius: 3px;
+      cursor: text;
+      transition: box-shadow 0.15s linear;
+    }
+
+    .label {
+      flex: 1;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+      height: 36px;
+      font-size: 14px;
+      border: 1px solid var(--color-grey-2);
+      border-radius: inherit;
+      background: var(--bg-color, #fff);
+      color: inherit;
+      cursor: inherit;
+
+      input {
+        flex: 1;
+        min-width: 36px;
+        width: 0;
+        height: 100%;
+        padding: 0 8px;
+        border: 0;
+        border-radius: inherit;
+        font: inherit;
+        color: inherit;
+        background: none;
+        outline: none;
+        box-shadow: none;
+        cursor: inherit;
+
+        &::placeholder {
+          color: var(--color-grey-1);
+        }
+      }
+
+      .prepend,
+      .append {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        width: auto;
+        height: 34px;
+        padding: 0 10px;
+        line-height: 1;
+        white-space: nowrap;
+      }
+      .prepend {
+        border-right: 1px solid var(--color-grey-a);
+        border-radius: 6px 0 0 6px;
+      }
+      .append {
+        border-left: 1px solid var(--color-grey-a);
+        border-radius: 0 6px 6px 0;
+      }
+      &[prepend] .prepend,
+      &[append] .append {
+        display: flex;
+      }
+      &[prepend] input,
+      &[append] input {
+        min-width: 64px;
+      }
+      /* ----- */
+      .close {
+        display: none;
+        --size: 16px;
+        margin: 0 8px 0 4px;
+        padding: 4px;
+        border-radius: 50%;
+        color: var(--color-grey-2);
+        cursor: pointer;
+        transition: background 0.15s linear;
+
+        &:hover {
+          background: var(--color-plain-1);
+        }
+
+        &.show {
+          display: block;
+        }
+      }
+    }
+
+    .suggestion {
+      overflow: hidden;
+      display: none;
+      position: fixed;
+      z-index: 10240;
+      left: 0;
+      top: 0;
+      width: 200px;
+      height: auto;
+      max-height: 200px;
+      min-height: 46px;
+      padding: 4px 0;
+      border-radius: 4px;
+      background: var(--color-plain-1);
+      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
+
+      .list {
+        width: 100%;
+      }
+      &.show {
+        display: flex;
+      }
+
+      li {
+        overflow: hidden;
+        width: 100%;
+        height: 30px;
+        line-height: 30px;
+        padding: 0 8px;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        cursor: pointer;
+
+        &:hover,
+        &[focus] {
+          background: var(--color-plain-2);
+        }
+      }
+    }
+
+    /* 额外样式 */
+    :host([round]) {
+      border-radius: 26px;
+
+      .label input {
+        padding: 0 10px;
+        margin: 0 18px;
+      }
+
+      .label[prepend] input,
+      .label[append] input {
+        padding: 0 5px;
+      }
+      .label[prepend] input {
+        margin-left: 0;
+      }
+      .label[append] input {
+        margin-right: 0;
+      }
+
+      .prepend {
+        border-radius: 26px 0 0 26px;
+      }
+      .append {
+        border-radius: 0 26px 26px 0;
+      }
+    }
+
+    :host([size='large']) {
+      min-width: 234px;
+      .label {
+        height: 52px;
+        font-size: 18px;
+
+        input {
+          padding: 0 16px;
+        }
+      }
+      .prepend,
+      .append {
+        height: 48px;
+        padding: 0 16px;
+      }
+
+      .icon {
+        --size: 24px;
+        margin: 0 20px 0 4px;
+      }
+    }
+    :host([size='medium']) {
+      min-width: 160px;
+      .label {
+        height: 44px;
+
+        input {
+          padding: 0 10px;
+        }
+      }
+      .prepend,
+      .append {
+        height: 40px;
+      }
+    }
+    :host([size='small']) {
+      min-width: 96px;
+      .label {
+        height: 32px;
+
+        input {
+          padding: 0 6px;
+        }
+      }
+      .prepend,
+      .append {
+        height: 28px;
+      }
+    }
+    :host([size='mini']) {
+      min-width: 72px;
+      .label {
+        height: 26px;
+        font-size: 12px;
+      }
+      .icon {
+        --size: 14px;
+      }
+      .prepend,
+      .append {
+        height: 22px;
+      }
+    }
+
+    /* ----- 类型(颜色) ----- */
+    $colors: (
+      primary: 'teal',
+      info: 'blue',
+      success: 'green',
+      warning: 'orange',
+      danger: 'red',
+      secondary: 'dark',
+      help: 'grey'
+    );
+    :host(:focus-within) {
+      box-shadow: 0 0 0 2px var(--color-plain-a);
+    }
+    @loop $t, $c in $colors {
+      :host([type='#{$t}']:focus-within) {
+        box-shadow: 0 0 0 2px var(--color-#{$c}-a);
+      }
+
+      :host([type='#{$t}']) .label {
+        border-color: var(--color-#{$c}-2);
+        .prepend,
+        .append {
+          border-color: var(--color-#{$c}-a);
+        }
+      }
+    }
+
+    /* --- */
+    :host([disabled]) {
+      pointer-events: none;
+      cursor: not-allowed;
+
+      .label {
+        border-color: var(--color-grey-1);
+        background: var(--color-plain-1);
+        opacity: 0.6;
+      }
+    }
+    :host([readonly]) {
+      cursor: default;
+    }
+
+    :host([no-border]),
+    :host(:focus-within[no-border]) {
+      .label {
+        border: 0;
+
+        &[prepend] input {
+          padding-left: 2px;
+        }
+        &[append] input {
+          padding-right: 2px;
+        }
+      }
+      .prepend,
+      .append {
+        border: 0;
+      }
+    }
+  `
+
+  render() {
+    return html`
+      <div class="label">
+        <slot class="prepend" name="prepend"></slot>
+        <input
+          placeholder=${this.placeholder}
+          maxlength=${this.maxlength}
+          minlength=${this.minlength}
+          value=${this.value}
+        />
+        <slot class="append" name="append">
+          <wc-icon style="--size: 16px" is=${this.icon}></wc-icon>
+        </slot>
+      </div>
+    `
+  }
+  #formatSlot() {
+    const label = this.root.children[0]
+    const prepend = label.children.prepend.assignedNodes()
+    const append = label.children.append.assignedNodes()
+
+    if (prepend.length) {
+      while (prepend.length > 1) {
+        this.removeChild(prepend.pop())
+      }
+      label.setAttribute('prepend', '')
+    } else {
+      label.removeChild(label.children.prepend)
+    }
+
+    if (append.length) {
+      while (append.length > 1) {
+        this.removeChild(append.pop())
+      }
+      label.setAttribute('append', '')
+    } else {
+      !this.icon && label.removeChild(label.children.append)
+    }
+  }
+
+  mounted() {
+    this.#formatSlot()
+
+    let $input = $('input', this.root)
+    if (this.autofocus) {
+      $input.setAttribute('autofocus', '')
+      // 需要focus()才能聚焦成功
+      nextTick(() => $input.focus())
+    }
+
+    bind($input, 'input', e => {
+      e.stopPropagation()
+      this.value = e.target.value
+      this.$emit('input')
+    })
+  }
+}
+
+customElements.define('wc-input', Input)