diff --git a/src/meditor/index.js b/src/meditor/index.js
index 38c818d..abc1491 100644
--- a/src/meditor/index.js
+++ b/src/meditor/index.js
@@ -155,7 +155,7 @@ class MEditor extends Component {
         flex: 1;
         display: flex;
         width: 100%;
-        min-height: 300px;
+        min-height: 200px;
         border-radius: 3px;
 
         .editor,
@@ -577,17 +577,6 @@ class MEditor extends Component {
     Addon.h.call(this, level)
   }
 
-  #chnageColor(ev) {
-    if (ev.target === ev.currentTarget) {
-      return
-    }
-    this.$refs.color.classList.remove('fadein')
-    this.$refs.editor.focus()
-    this.restoreSelection()
-    this.exec(ACTTION.color, ev.target.dataset.value)
-    this.saveSelection()
-  }
-
   #insertLink(ev) {
     let value = this.$refs.linkinput.value.trim()
     if (value) {
@@ -605,9 +594,11 @@ class MEditor extends Component {
     if (this.#gridx < 0 || this.#gridy < 0) {
       return
     }
-    let thead = `\n\n${'| 表头 '.repeat(this.#gridx)}|\n`
-    let pipe = `${'| -- '.repeat(this.#gridx)}|\n`
-    let tbody = ('|    '.repeat(this.#gridx) + '|\n').repeat(this.#gridy)
+    let thead = `\n\n${'| 表头 '.repeat(this.#gridx + 1)}|\n`
+    let pipe = `${'| -- '.repeat(this.#gridx + 1)}|\n`
+    let tbody = ('|    '.repeat(this.#gridx + 1) + '|\n').repeat(
+      this.#gridy + 1
+    )
     this.#gridx = -1
     this.#gridy = -1
     this.insert(thead + pipe + tbody, false)
@@ -899,14 +890,15 @@ class MEditor extends Component {
   }
 
   mounted() {
+    let pb = ~~(this.clientHeight * 0.6)
+    pb = pb < 64 ? 64 : pb
     Addon.preview.call(this, this)
+    this.$refs.editor.style.paddingBottom = pb + 'px'
   }
 
   unmounted() {}
 
   render() {
-    // console.log(this.#toolbar, this.value)
-
     return html`
       <div class="meditor">
         <header