diff --git a/Source/Modules/InputHandler_Core.swift b/Source/Modules/InputHandler_Core.swift
index 84205ed9..38d97d40 100644
--- a/Source/Modules/InputHandler_Core.swift
+++ b/Source/Modules/InputHandler_Core.swift
@@ -28,11 +28,17 @@ public protocol InputHandlerProtocol {
   func clearComposerAndCalligrapher()
   func ensureKeyboardParser()
   func handleEvent(_ event: NSEvent) -> Bool
-  func generateStateOfInputting() -> IMEStateProtocol
+  func generateStateOfInputting(sansReading: Bool) -> IMEStateProtocol
   func generateStateOfAssociates(withPair pair: Megrez.Compositor.KeyValuePaired) -> IMEStateProtocol
   func consolidateNode(candidate: (String, String), respectCursorPushing: Bool, preConsolidate: Bool)
 }
 
+extension InputHandlerProtocol {
+  func generateStateOfInputting(sansReading: Bool = false) -> IMEStateProtocol {
+    generateStateOfInputting(sansReading: sansReading)
+  }
+}
+
 // MARK: - 委任協定 (Delegate).
 
 /// InputHandler 委任協定
diff --git a/Source/Modules/InputHandler_States.swift b/Source/Modules/InputHandler_States.swift
index d76c80d5..72e0ac06 100644
--- a/Source/Modules/InputHandler_States.swift
+++ b/Source/Modules/InputHandler_States.swift
@@ -18,12 +18,12 @@ extension InputHandler {
   // MARK: - 構築狀態（State Building）
 
   /// 生成「正在輸入」狀態。相關的內容會被拿給狀態機械用來處理在電腦螢幕上顯示的內容。
-  public func generateStateOfInputting() -> IMEStateProtocol {
+  public func generateStateOfInputting(sansReading: Bool = false) -> IMEStateProtocol {
     /// 「更新內文組字區 (Update the composing buffer)」是指要求客體軟體將組字緩衝區的內容
     /// 換成由此處重新生成的原始資料在 IMEStateData 當中生成的 NSAttributeString。
     var displayTextSegments: [String] = compositor.walkedNodes.values
     var cursor = convertCursorForDisplay(compositor.cursor)
-    let reading: String = readingForDisplay  // 先提出來，減輕運算負擔。
+    let reading: String = sansReading ? "" : readingForDisplay  // 先提出來，減輕運算負擔。
     if !reading.isEmpty {
       var newDisplayTextSegments = [String]()
       var temporaryNode = ""