diff --git a/packages/koishi-core/src/context.ts b/packages/koishi-core/src/context.ts
index 11c1229f68..599b5c6090 100644
--- a/packages/koishi-core/src/context.ts
+++ b/packages/koishi-core/src/context.ts
@@ -291,6 +291,7 @@ export interface EventMap {
   'lifecycle' (meta: Meta<'meta_event'>): any
   'lifecycle/enable' (meta: Meta<'meta_event'>): any
   'lifecycle/disable' (meta: Meta<'meta_event'>): any
+  'lifecycle/connect' (meta: Meta<'meta_event'>): any
   'before-user' (fields: Set<UserField>, argv: ParsedCommandLine): any
   'before-group' (fields: Set<GroupField>, argv: ParsedCommandLine): any
   'attach' (meta: Meta<'message'>): any
diff --git a/packages/koishi-core/src/meta.ts b/packages/koishi-core/src/meta.ts
index f3bbca3c44..09b02aa74e 100644
--- a/packages/koishi-core/src/meta.ts
+++ b/packages/koishi-core/src/meta.ts
@@ -17,7 +17,7 @@ export interface SubTypeMap {
   notice: 'set' | 'unset' | 'approve' | 'invite' | 'leave' | 'kick' | 'kick_me' | 'ban' | 'lift_ban'
   request: 'add' | 'invite'
   // eslint-disable-next-line camelcase
-  meta_event: 'enable' | 'disable'
+  meta_event: 'enable' | 'disable' | 'connect'
   send: never
 }
 
diff --git a/packages/plugin-common/src/help.ts b/packages/plugin-common/src/help.ts
index 81d1a0a650..6ac09ea7aa 100644
--- a/packages/plugin-common/src/help.ts
+++ b/packages/plugin-common/src/help.ts
@@ -94,18 +94,18 @@ async function showCommandHelp (command: Command, meta: Meta<'message'>, options
   const maxUsage = command.getConfig('maxUsage', meta)
   const minInterval = command.getConfig('minInterval', meta)
   if (meta.$user) {
-    const { authority, maxUsageText } = command.config
     const usage = getUsage(command.usageName, meta.$user)
     if (maxUsage !== Infinity) {
-      output.push(`已调用次数：${Math.min(usage.count, maxUsage)}/${maxUsageText || maxUsage}。`)
+      output.push(`已调用次数：${Math.min(usage.count || 0, maxUsage)}/${maxUsage}。`)
     }
+
     if (minInterval > 0) {
       const nextUsage = usage.last ? (Math.max(0, minInterval + usage.last - Date.now()) / 1000).toFixed() : 0
       output.push(`距离下次调用还需：${nextUsage}/${minInterval / 1000} 秒。`)
     }
 
-    if (authority > 1) {
-      output.push(`最低权限：${authority} 级。`)
+    if (command.config.authority > 1) {
+      output.push(`最低权限：${command.config.authority} 级。`)
     }
   }