修复markd解析器对混合html的处理; 优化markd引用块的样式;优化scoll组件在边缘场景下报错的的问题

src/markd/core.js

@@ -521,14 +521,24 @@ class Tool {
           continue
         }
 
-        if (isParagraph) {
-          html += `${it}\n`
-        } else {
         if (isHtmlBlock || isSingleLineHtml) {
+          if (isParagraph) {
+            isParagraph = false
+            html = trimBr(html)
+            html += '</p>'
+          }
           html += `${it}\n`
         } else if (isMultiLineHtml) {
+          if (isParagraph) {
+            isParagraph = false
+            html = trimBr(html)
+            html += '</p>'
+          }
           isHtmlBlock = !isHtmlBlock
           html += `${it}\n`
+        } else {
+          if (isParagraph) {
+            html += `${it}\n`
           } else {
             html += `\n<p>${it}`
             isParagraph = true

src/markd/index.js

@@ -68,6 +68,10 @@ class Markd extends Component {
       p {
         margin: 0;
       }
+      > blockquote {
+        margin: 5px 0;
+        padding: 0 10px;
+      }
     }
 
     fieldset.md-hr {
@@ -193,7 +197,6 @@ class Markd extends Component {
   `
 
   render() {
-    // console.log(md2html(this.code))
     return html`<div class="container">${raw(md2html(this.code))}</div>`
   }
 }

src/scroll/index.js

@@ -392,7 +392,7 @@ class Scroll extends Component {
     this.__observer.observe(this.$refs.cont)
   }
   unmounted() {
-    this.__observer.disconnect()
+    this.__observer?.disconnect()
   }
 
   render() {