diff --git a/Packages/vChewing_MainAssembly/Sources/MainAssembly/AppDelegate.swift b/Packages/vChewing_MainAssembly/Sources/MainAssembly/AppDelegate.swift
index dda57dc6..3ce948c4 100644
--- a/Packages/vChewing_MainAssembly/Sources/MainAssembly/AppDelegate.swift
+++ b/Packages/vChewing_MainAssembly/Sources/MainAssembly/AppDelegate.swift
@@ -136,7 +136,7 @@ public extension AppDelegate {
     let url = URL(fileURLWithPath: LMMgr.dataFolderPath(isDefaultFolder: true))
     FileOpenMethod.finder.open(url: url)
     Uninstaller.uninstall(
-      isSudo: false, selfKill: true, defaultDataFolderPath: LMMgr.dataFolderPath(isDefaultFolder: true)
+      selfKill: true, defaultDataFolderPath: LMMgr.dataFolderPath(isDefaultFolder: true)
     )
   }
 
diff --git a/Packages/vChewing_Uninstaller/Sources/Uninstaller/Uninstaller.swift b/Packages/vChewing_Uninstaller/Sources/Uninstaller/Uninstaller.swift
index 4dfbfd9c..76066292 100644
--- a/Packages/vChewing_Uninstaller/Sources/Uninstaller/Uninstaller.swift
+++ b/Packages/vChewing_Uninstaller/Sources/Uninstaller/Uninstaller.swift
@@ -13,8 +13,11 @@ public enum Uninstaller {
   // MARK: - Uninstall the input method.
 
   @discardableResult public static func uninstall(
-    isSudo: Bool = false, selfKill: Bool = true, defaultDataFolderPath: String
+    selfKill: Bool = true,
+    defaultDataFolderPath: String,
+    removeAll: Bool = false
   ) -> Int32 {
+    let isSudo = NSApplication.isSudoMode
     let realHomeDir = URL(
       fileURLWithFileSystemRepresentation: getpwuid(getuid()).pointee.pw_dir, isDirectory: true, relativeTo: nil
     )
@@ -53,9 +56,7 @@ public enum Uninstaller {
       let objFullPath = pathLibrary + pathUnitKeyboardLayouts + objPath
       if !FileManager.trashTargetIfExists(objFullPath) { return -1 }
     }
-    if CommandLine.arguments.count > 2, CommandLine.arguments[2] == "--all",
-       CommandLine.arguments[1] == "uninstall"
-    {
+    if removeAll {
       // 再處理是否需要移除放在預設使用者資料夾內的檔案的情況。
       // 如果使用者有在輸入法偏好設定內將該目錄改到別的地方（而不是用 symbol link）的話，則不處理。
       // 目前暫時無法應對 symbol link 的情況。
diff --git a/Source/Modules/main.swift b/Source/Modules/main.swift
index f30e2a61..c05cc061 100644
--- a/Source/Modules/main.swift
+++ b/Source/Modules/main.swift
@@ -12,10 +12,12 @@ import InputMethodKit
 import MainAssembly
 import Uninstaller
 
-switch max(CommandLine.arguments.count - 1, 0) {
+let cmdParameters = CommandLine.arguments.dropFirst(1)
+
+switch cmdParameters.count {
 case 0: break
-case 1, 2:
-  switch CommandLine.arguments[1] {
+case 1:
+  switch cmdParameters.first?.lowercased() {
   case "--dump-prefs":
     if let strDumpedPrefs = PrefMgr.shared.dumpShellScriptBackup() {
       print(strDumpedPrefs)
@@ -26,12 +28,36 @@ case 1, 2:
     exit(exitCode)
   case "uninstall":
     let exitCode = Uninstaller.uninstall(
-      isSudo: NSApplication.isSudoMode, defaultDataFolderPath: LMMgr.dataFolderPath(isDefaultFolder: true)
+      defaultDataFolderPath: LMMgr.dataFolderPath(isDefaultFolder: true),
+      removeAll: false
     )
     exit(exitCode)
   default: break
   }
   exit(0)
+case 2:
+  switch cmdParameters.first?.lowercased() {
+  case "uninstall" where cmdParameters.last?.lowercased() == "--all":
+    let exitCode = Uninstaller.uninstall(
+      defaultDataFolderPath: LMMgr.dataFolderPath(isDefaultFolder: true),
+      removeAll: true
+    )
+    exit(exitCode)
+  case "--import-kimo":
+    guard let path = cmdParameters.last else {
+      exit(1)
+    }
+    let url = URL(fileURLWithPath: path)
+    guard var rawString = try? String(contentsOf: url) else {
+      print("[Kimo Import] Given file path is either invalid or not accessible. Read access is needed for this operation.")
+      exit(1)
+    }
+    let count = LMMgr.importYahooKeyKeyUserDictionary(text: &rawString)
+    let msg = String(format: "i18n:settings.importFromKimoTxt.finishedCount:%@".localized, count.description)
+    print("[Kimo Import] \(msg)")
+    exit(0)
+  default: break
+  }
 default: exit(0)
 }