diff --git a/packages/koishi-core/src/command.ts b/packages/koishi-core/src/command.ts
index f4e06fe0bb..d1942c1da6 100644
--- a/packages/koishi-core/src/command.ts
+++ b/packages/koishi-core/src/command.ts
@@ -206,7 +206,7 @@ export class Command {
   option (rawName: string, description: string, config?: OptionConfig): this
   option (rawName: string, ...args: [OptionConfig?] | [string, OptionConfig?]) {
     const description = typeof args[0] === 'string' ? args.shift() as string : undefined
-    const config = args[0] as CommandConfig || {}
+    const config = args[0] as OptionConfig || {}
     const option = parseOption(rawName, description, config, this._optsDef)
     this._options.push(option)
     for (const name of option.names) {
diff --git a/packages/koishi-core/src/sender.ts b/packages/koishi-core/src/sender.ts
index b607da8b24..d8960f0c59 100644
--- a/packages/koishi-core/src/sender.ts
+++ b/packages/koishi-core/src/sender.ts
@@ -21,10 +21,11 @@ import {
 } from './meta'
 
 export class SenderError extends Error {
-  constructor (args: Record<string, any>, url: string, retcode: number) {
+  constructor (args: Record<string, any>, url: string, retcode: number, selfId: number) {
     super(`Error when trying to send to ${url}, args: ${JSON.stringify(args)}, retcode: ${retcode}`)
     Object.defineProperties(this, {
       name: { value: 'SenderError' },
+      selfId: { value: selfId },
       code: { value: retcode },
       args: { value: args },
       url: { value: url },
@@ -77,9 +78,9 @@ export class Sender {
     if (retcode === 0 && !silent) {
       return camelCase(data)
     } else if (retcode < 0 && !silent) {
-      throw new SenderError(params, action, retcode)
+      throw new SenderError(params, action, retcode, this.app.selfId)
     } else if (retcode > 1) {
-      throw new SenderError(params, action, retcode)
+      throw new SenderError(params, action, retcode, this.app.selfId)
     }
   }