diff --git a/packages/koishi-core/src/app.ts b/packages/koishi-core/src/app.ts
index 19294f73e3..5e4da49664 100644
--- a/packages/koishi-core/src/app.ts
+++ b/packages/koishi-core/src/app.ts
@@ -275,7 +275,9 @@ export class App extends Context {
   private _preprocess = async (meta: Meta<'message'>, next: NextFunction) => {
     // strip prefix
     let capture: RegExpMatchArray
-    let atMe = false, nickname = '', prefix: string = null
+    let atMe = false
+    let nickname = ''
+    let prefix: string = null
     let message = simplify(meta.message.trim())
     let parsedArgv: ParsedCommandLine
 
@@ -356,12 +358,15 @@ export class App extends Context {
     }
 
     // execute command
-    if (parsedArgv) return parsedArgv.command.execute(parsedArgv, next)
+    if (parsedArgv && !parsedArgv.command.getConfig('disable', meta)) {
+      return parsedArgv.command.execute(parsedArgv, next)
+    }
 
     // show suggestions
     const target = message.split(/\s/, 1)[0].toLowerCase()
-    if (!target || !capture) return next()
+    if (!target || !capture || parsedArgv) return next()
 
+    const executableMap = new Map<Command, boolean>()
     return showSuggestions({
       target,
       meta,
@@ -371,18 +376,27 @@ export class App extends Context {
       items: Object.keys(this._commandMap),
       coefficient: this.options.similarityCoefficient,
       command: suggestion => this._commandMap[suggestion],
+      disable: (name) => {
+        const command = this._commandMap[name]
+        let disabled = executableMap.get(command)
+        if (disabled === undefined) {
+          disabled = !!command.getConfig('disable', meta)
+          executableMap.set(command, disabled)
+        }
+        return disabled
+      },
       execute: async (suggestion, meta, next) => {
         const newMessage = suggestion + message.slice(target.length)
-        const parsedArgv = this.parseCommandLine(newMessage, meta)
-        return parsedArgv.command.execute(parsedArgv, next)
+        const argv = this.parseCommandLine(newMessage, meta)
+        return argv.command.execute(argv, next)
       },
     })
   }
 
   parseCommandLine (message: string, meta: Meta<'message'>): ParsedCommandLine {
-    const name = message.split(/\s/, 1)[0].toLowerCase()
-    const command = this.getCommand(name, meta)
-    if (command) {
+    const name = message.split(/\s/, 1)[0]
+    const command = this._getCommandByRawName(name)
+    if (command?.context.match(meta)) {
       const result = command.parse(message.slice(name.length).trimStart())
       return { meta, command, ...result }
     }
@@ -391,7 +405,9 @@ export class App extends Context {
   executeCommandLine (message: string, meta: Meta<'message'>, next: NextFunction = noop) {
     if (!('$ctxType' in meta)) this.server.parseMeta(meta)
     const argv = this.parseCommandLine(message, meta)
-    if (argv) return argv.command.execute(argv, next)
+    if (argv && !argv.command.getConfig('disable', meta)) {
+      return argv.command.execute(argv, next)
+    }
     return next()
   }
 
diff --git a/packages/koishi-core/src/context.ts b/packages/koishi-core/src/context.ts
index 7707aabb12..5eb111508d 100644
--- a/packages/koishi-core/src/context.ts
+++ b/packages/koishi-core/src/context.ts
@@ -234,7 +234,7 @@ export class Context {
     return parent
   }
 
-  private _getCommandByRawName (name: string) {
+  protected _getCommandByRawName (name: string) {
     const index = name.lastIndexOf('/')
     return this.app._commandMap[name.slice(index + 1).toLowerCase()]
   }
diff --git a/packages/koishi-core/src/utils.ts b/packages/koishi-core/src/utils.ts
index 39fa16b576..7e4446b4d6 100644
--- a/packages/koishi-core/src/utils.ts
+++ b/packages/koishi-core/src/utils.ts
@@ -56,17 +56,18 @@ interface SuggestOptions {
   prefix: string
   suffix: string
   coefficient?: number
+  disable?: (name: string) => boolean
   command: Command | ((suggestion: string) => Command)
   execute: (suggestion: string, meta: Meta<'message'>, next: NextFunction) => any
 }
 
-function findSimilar (target: string, coefficient: number) {
-  return (name: string) => name.length > 2 && leven(name, target) <= name.length * coefficient
-}
-
 export function showSuggestions (options: SuggestOptions): Promise<void> {
-  const { target, items, meta, next, prefix, suffix, execute, coefficient = 0.4 } = options
-  const suggestions = items.filter(findSimilar(target, coefficient))
+  const { target, items, meta, next, prefix, suffix, execute, disable, coefficient = 0.4 } = options
+  const suggestions = items.filter((name) => {
+    return name.length > 2
+      && leven(name, target) <= name.length * coefficient
+      && !disable?.(name)
+  })
   if (!suggestions.length) return next()
 
   return next(async () => {
diff --git a/packages/koishi-core/tests/suggestion.spec.ts b/packages/koishi-core/tests/suggestion.spec.ts
index d71ad9bb1f..5ea7809499 100644
--- a/packages/koishi-core/tests/suggestion.spec.ts
+++ b/packages/koishi-core/tests/suggestion.spec.ts
@@ -12,8 +12,9 @@ describe('Command Suggestions', () => {
     .action(({ meta }, bar) => {
       return meta.$send('foo' + bar)
     })
-  
+
   app.command('fooo', { checkUnknown: true, checkRequired: true })
+    .alias('bool')
     .option('-t, --text <bar>')
     .action(({ meta, options }) => {
       return meta.$send('fooo' + options.text)
@@ -69,7 +70,7 @@ describe('Command Suggestions', () => {
   test('multiple suggestions', async () => {
     await session1.shouldHaveReply('fool bar', [
       messages.COMMAND_SUGGESTION_PREFIX,
-      format(messages.SUGGESTION_TEXT, '“foo”或“fooo”'),
+      format(messages.SUGGESTION_TEXT, '“foo”或“fooo”或“bool”'),
     ].join(''))
     await session1.shouldHaveNoReply(' ')
   })