diff --git a/src/assets/styles/prosemirror.scss b/src/assets/styles/prosemirror.scss
index 8c347349..88d6ba3d 100644
--- a/src/assets/styles/prosemirror.scss
+++ b/src/assets/styles/prosemirror.scss
@@ -47,6 +47,15 @@
     font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
   }
 
+  sup {
+    vertical-align: super;
+    font-size: smaller;
+  }
+  sub {
+    vertical-align: sub;
+    font-size: smaller;
+  }
+
   blockquote {
     overflow: hidden;
     padding-right: 1.2em;
diff --git a/src/configs/hotkey.ts b/src/configs/hotkey.ts
index d610561a..c71b4794 100644
--- a/src/configs/hotkey.ts
+++ b/src/configs/hotkey.ts
@@ -35,6 +35,7 @@ export const HOTKEY_DOC = [
       { label: '剪切', value: 'Ctrl + X' },
       { label: '复制', value: 'Ctrl + C' },
       { label: '粘贴', value: 'Ctrl + V' },
+      { label: '粘贴为纯文本', value: 'Ctrl + Shift + V' },
       { label: '快速复制粘贴', value: 'Ctrl + D' },
       { label: '全选', value: 'Ctrl + A' },
       { label: '撤销', value: 'Ctrl + Z' },
@@ -108,7 +109,10 @@ export const HOTKEY_DOC = [
       { label: '加粗', value: 'Ctrl + B' },
       { label: '斜体', value: 'Ctrl + I' },
       { label: '下划线', value: 'Ctrl + U' },
-      { label: '删除线', value: 'Ctrl + D' },
+      { label: '行内代码', value: 'Ctrl + E' },
+      { label: '上角标', value: 'Ctrl + ;' },
+      { label: '下角标', value: `Ctrl + '` },
+      { label: '选中段落', value: `ESC` },
     ],
   },
 ]
\ No newline at end of file
diff --git a/src/utils/prosemirror/plugins/inputrules.ts b/src/utils/prosemirror/plugins/inputrules.ts
index 0c6d347d..6ec8c57a 100644
--- a/src/utils/prosemirror/plugins/inputrules.ts
+++ b/src/utils/prosemirror/plugins/inputrules.ts
@@ -2,7 +2,6 @@ import type { NodeType, Schema } from 'prosemirror-model'
 import {
   inputRules,
   wrappingInputRule,
-  textblockTypeInputRule,
   smartQuotes,
   emDash,
   ellipsis,
@@ -22,7 +21,18 @@ const orderedListRule = (nodeType: NodeType) => (
 
 const bulletListRule = (nodeType: NodeType) => wrappingInputRule(/^\s*([-+*])\s$/, nodeType)
 
-const codeBlockRule = (nodeType: NodeType) => textblockTypeInputRule(/^```$/, nodeType)
+const codeRule = () => {
+  const inputRegex = /(?:^|\s)((?:`)((?:[^`]+))(?:`))$/
+  
+  return new InputRule(inputRegex, (state, match, start, end) => {
+    const { schema } = state
+
+    const tr = state.tr.insertText(`${match[2]} `, start, end)
+    const mark = schema.marks.code.create()
+
+    return tr.addMark(start, start + match[2].length, mark)
+  })
+}
 
 const linkRule = () => {
   const urlRegEx = /(?:https?:\/\/)?[\w-]+(?:\.[\w-]+)+\.?(?:\d+)?(?:\/\S*)?$/
@@ -46,7 +56,7 @@ export const buildInputRules = (schema: Schema) => {
   rules.push(blockQuoteRule(schema.nodes.blockquote))
   rules.push(orderedListRule(schema.nodes.ordered_list))
   rules.push(bulletListRule(schema.nodes.bullet_list))
-  rules.push(codeBlockRule(schema.nodes.code_block))
+  rules.push(codeRule())
   rules.push(linkRule())
 
   return inputRules({ rules })
diff --git a/src/utils/prosemirror/plugins/keymap.ts b/src/utils/prosemirror/plugins/keymap.ts
index 234a92df..b4370453 100644
--- a/src/utils/prosemirror/plugins/keymap.ts
+++ b/src/utils/prosemirror/plugins/keymap.ts
@@ -25,14 +25,17 @@ export const buildKeymap = (schema: Schema) => {
 
   bind('Alt-ArrowUp', joinUp)
   bind('Alt-ArrowDown', joinDown)
-  bind('Ctrl-z', undo)
-  bind('Ctrl-y', redo)
+  bind('Mod-z', undo)
+  bind('Mod-y', redo)
   bind('Backspace', undoInputRule)
   bind('Escape', selectParentNode)
-  bind('Ctrl-b', toggleMark(schema.marks.strong))
-  bind('Ctrl-i', toggleMark(schema.marks.em))
-  bind('Ctrl-u', toggleMark(schema.marks.underline))
-  bind('Ctrl-d', toggleMark(schema.marks.strikethrough))
+  bind('Mod-b', toggleMark(schema.marks.strong))
+  bind('Mod-i', toggleMark(schema.marks.em))
+  bind('Mod-u', toggleMark(schema.marks.underline))
+  bind('Mod-d', toggleMark(schema.marks.strikethrough))
+  bind('Mod-e', toggleMark(schema.marks.code))
+  bind('Mod-;', toggleMark(schema.marks.superscript))
+  bind(`Mod-'`, toggleMark(schema.marks.subscript))
   bind('Enter', chainCommands(
     splitListItem(schema.nodes.list_item),
     newlineInCode,
diff --git a/src/utils/prosemirror/schema/marks.ts b/src/utils/prosemirror/schema/marks.ts
index 7b9b105f..a469b7d2 100644
--- a/src/utils/prosemirror/schema/marks.ts
+++ b/src/utils/prosemirror/schema/marks.ts
@@ -157,10 +157,14 @@ const link: MarkSpec = {
   toDOM: node => ['a', node.attrs, 0],
 }
 
+const { em, strong, code } = marks
+
 export default {
-  ...marks,
+  em,
+  strong,
   fontsize,
   fontname,
+  code,
   forecolor,
   backcolor,
   subscript,
diff --git a/src/utils/prosemirror/schema/nodes.ts b/src/utils/prosemirror/schema/nodes.ts
index 082d8afa..00d2608a 100644
--- a/src/utils/prosemirror/schema/nodes.ts
+++ b/src/utils/prosemirror/schema/nodes.ts
@@ -137,12 +137,16 @@ const paragraph: NodeSpec = {
   },
 }
 
-// https://github.com/pipipi-pikachu/PPTist/issues/134
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-const { hard_break, ...otherNodes } = nodes
+const {
+  doc,
+  blockquote,
+  text,
+} = nodes
 
 export default {
-  ...otherNodes,
+  doc,
+  text,
+  blockquote,
   'ordered_list': orderedList,
   'bullet_list': bulletList,
   'list_item': listItem,
diff --git a/src/views/components/element/ProsemirrorEditor.vue b/src/views/components/element/ProsemirrorEditor.vue
index 2ac75883..52622f41 100644
--- a/src/views/components/element/ProsemirrorEditor.vue
+++ b/src/views/components/element/ProsemirrorEditor.vue
@@ -13,9 +13,9 @@ import { debounce } from 'lodash'
 import { storeToRefs } from 'pinia'
 import { useMainStore } from '@/store'
 import type { EditorView } from 'prosemirror-view'
-import { toggleMark, wrapIn } from 'prosemirror-commands'
+import { toggleMark, wrapIn, lift } from 'prosemirror-commands'
 import { initProsemirrorEditor, createDocument } from '@/utils/prosemirror'
-import { findNodesWithSameMark, getTextAttrs, autoSelectAll, addMark, markActive, getFontsize } from '@/utils/prosemirror/utils'
+import { isActiveOfParentNodeType, findNodesWithSameMark, getTextAttrs, autoSelectAll, addMark, markActive, getFontsize } from '@/utils/prosemirror/utils'
 import emitter, { EmitterEvents, type RichTextAction, type RichTextCommand } from '@/utils/emitter'
 import { alignmentCommand } from '@/utils/prosemirror/commands/setTextAlign'
 import { indentCommand, textIndentCommand } from '@/utils/prosemirror/commands/setTextIndent'
@@ -164,7 +164,9 @@ const execCommand = ({ target, action }: RichTextCommand) => {
       toggleMark(editorView.state.schema.marks.superscript)(editorView.state, editorView.dispatch)
     }
     else if (item.command === 'blockquote') {
-      wrapIn(editorView.state.schema.nodes.blockquote)(editorView.state, editorView.dispatch)
+      const isBlockquote = isActiveOfParentNodeType('blockquote', editorView.state)
+      if (isBlockquote) lift(editorView.state, editorView.dispatch)
+      else wrapIn(editorView.state.schema.nodes.blockquote)(editorView.state, editorView.dispatch)
     }
     else if (item.command === 'code') {
       toggleMark(editorView.state.schema.marks.code)(editorView.state, editorView.dispatch)