diff --git a/Source/Modules/ControllerModules/KeyHandler_Core.swift b/Source/Modules/ControllerModules/KeyHandler_Core.swift
index 7c8f8fe7..7124b2b9 100644
--- a/Source/Modules/ControllerModules/KeyHandler_Core.swift
+++ b/Source/Modules/ControllerModules/KeyHandler_Core.swift
@@ -18,6 +18,7 @@ import Cocoa
 
 /// KeyHandler 委任協定
 protocol KeyHandlerDelegate {
+  var clientBundleIdentifier: String { get }
   func ctlCandidate() -> ctlCandidateProtocol
   func keyHandler(
     _: KeyHandler, didSelectCandidateAt index: Int,
diff --git a/Source/Modules/ControllerModules/KeyHandler_States.swift b/Source/Modules/ControllerModules/KeyHandler_States.swift
index 755c3f9b..1b00d39c 100644
--- a/Source/Modules/ControllerModules/KeyHandler_States.swift
+++ b/Source/Modules/ControllerModules/KeyHandler_States.swift
@@ -347,7 +347,7 @@ extension KeyHandler {
       composingBuffer = Tekkon.cnvPhonaToHanyuPinyin(target: composingBuffer)  // 注音轉拼音
     }
 
-    if !IME.areWeUsingOurOwnPhraseEditor {
+    if let delegate = delegate, !delegate.clientBundleIdentifier.contains("vChewingPhraseEditor") {
       composingBuffer = composingBuffer.replacingOccurrences(of: "-", with: " ")
     }
 
diff --git a/Source/Modules/ControllerModules/ctlInputMethod_Core.swift b/Source/Modules/ControllerModules/ctlInputMethod_Core.swift
index c66603e7..b8d2b781 100644
--- a/Source/Modules/ControllerModules/ctlInputMethod_Core.swift
+++ b/Source/Modules/ControllerModules/ctlInputMethod_Core.swift
@@ -39,6 +39,7 @@ class ctlInputMethod: IMKInputController {
   var state: InputStateProtocol = InputState.Empty()
   /// 當前這個 ctlInputMethod 副本是否處於英數輸入模式。
   var isASCIIMode: Bool = false
+
   /// 記錄當前輸入環境是縱排輸入還是橫排輸入。
   public var isVerticalTyping: Bool {
     guard let client = client() else { return false }
@@ -233,15 +234,6 @@ class ctlInputMethod: IMKInputController {
     // 準備修飾鍵，用來判定要新增的詞彙是否需要賦以非常低的權重。
     ctlInputMethod.areWeNerfing = event.modifierFlags.contains([.shift, .command])
 
-    if let client = client(),
-      client.bundleIdentifier()
-        == "org.atelierInmu.vChewing.vChewingPhraseEditor"
-    {
-      IME.areWeUsingOurOwnPhraseEditor = true
-    } else {
-      IME.areWeUsingOurOwnPhraseEditor = false
-    }
-
     var input = InputSignal(event: event, isVerticalTyping: isVerticalTyping)
     input.isASCIIModeInput = isASCIIMode
 
diff --git a/Source/Modules/ControllerModules/ctlInputMethod_Delegates.swift b/Source/Modules/ControllerModules/ctlInputMethod_Delegates.swift
index 17cdd209..a105f42e 100644
--- a/Source/Modules/ControllerModules/ctlInputMethod_Delegates.swift
+++ b/Source/Modules/ControllerModules/ctlInputMethod_Delegates.swift
@@ -13,6 +13,8 @@ import Cocoa
 // MARK: - KeyHandler Delegate
 
 extension ctlInputMethod: KeyHandlerDelegate {
+  var clientBundleIdentifier: String { client()?.bundleIdentifier() ?? "" }
+
   func ctlCandidate() -> ctlCandidateProtocol { ctlInputMethod.ctlCandidateCurrent }
 
   func keyHandler(
@@ -84,15 +86,6 @@ extension ctlInputMethod: ctlCandidateDelegate {
     // 準備修飾鍵，用來判定要新增的詞彙是否需要賦以非常低的權重。
     ctlInputMethod.areWeNerfing = event.modifierFlags.contains([.shift, .command])
 
-    if let client = client(),
-      client.bundleIdentifier()
-        == "org.atelierInmu.vChewing.vChewingPhraseEditor"
-    {
-      IME.areWeUsingOurOwnPhraseEditor = true
-    } else {
-      IME.areWeUsingOurOwnPhraseEditor = false
-    }
-
     var input = InputSignal(event: event, isVerticalTyping: isVerticalTyping)
     input.isASCIIModeInput = isASCIIMode
 
diff --git a/Source/Modules/IMEModules/IME.swift b/Source/Modules/IMEModules/IME.swift
index 24e52104..afd99eec 100644
--- a/Source/Modules/IMEModules/IME.swift
+++ b/Source/Modules/IMEModules/IME.swift
@@ -40,10 +40,6 @@ public enum IME {
     return text
   }
 
-  // MARK: - 開關判定當前應用究竟是？
-
-  static var areWeUsingOurOwnPhraseEditor: Bool = false
-
   // MARK: - 自 ctlInputMethod 讀取當前輸入法的簡繁體模式
 
   static func getInputMode(isReversed: Bool = false) -> InputMode {