diff --git a/Packages/vChewing_Shared/Sources/Shared/Shared.swift b/Packages/vChewing_Shared/Sources/Shared/Shared.swift
index 650087a0..c9de3c28 100644
--- a/Packages/vChewing_Shared/Sources/Shared/Shared.swift
+++ b/Packages/vChewing_Shared/Sources/Shared/Shared.swift
@@ -120,6 +120,7 @@ public enum TooltipColorState {
   case denialOverflow
   case denialInsufficiency
   case prompt
+  case succeeded
 }
 
 // MARK: - IMEState types.
diff --git a/Packages/vChewing_TooltipUI/Sources/TooltipUI/TooltipUI.swift b/Packages/vChewing_TooltipUI/Sources/TooltipUI/TooltipUI.swift
index 885ea976..6654ab7f 100644
--- a/Packages/vChewing_TooltipUI/Sources/TooltipUI/TooltipUI.swift
+++ b/Packages/vChewing_TooltipUI/Sources/TooltipUI/TooltipUI.swift
@@ -85,6 +85,11 @@ public class TooltipUI: NSWindowController {
       case .warning:
         backgroundColor = NSColor.purple
         textColor = NSColor.white
+      case .succeeded:
+        backgroundColor = NSColor(
+          red: 0.21, green: 0.15, blue: 0.02, alpha: 1.00
+        )
+        textColor = NSColor.white
       case .denialOverflow:
         backgroundColor = NSColor(
           red: 0.13, green: 0.08, blue: 0.00, alpha: 1.00
diff --git a/Source/Modules/InputHandler_HandleStates.swift b/Source/Modules/InputHandler_HandleStates.swift
index b2ce2d4b..a4a7f439 100644
--- a/Source/Modules/InputHandler_HandleStates.swift
+++ b/Source/Modules/InputHandler_HandleStates.swift
@@ -141,9 +141,11 @@ extension InputHandler {
     // Enter
     if input.isEnter {
       var tooltipMessage = "+ Successful in adding / boosting a user phrase."
+      var tooltipColorState: TooltipColorState = .normal
       // 先判斷是否是在摁了降權組合鍵的時候目標不在庫。
       if input.isShiftHold, input.isCommandHold {
         tooltipMessage = "- Successful in nerfing a user phrase."
+        tooltipColorState = .succeeded
         if !state.isFilterable {
           delegate.callError("2EAC1F7A")
           return true
@@ -159,7 +161,7 @@ extension InputHandler {
       }
       var newState = generateStateOfInputting()
       newState.tooltip = NSLocalizedString(tooltipMessage, comment: "") + "　　"
-      newState.data.tooltipColorState = .normal
+      newState.data.tooltipColorState = tooltipColorState
       newState.tooltipDuration = 1.85
       delegate.switchState(newState)
       return true
@@ -178,7 +180,7 @@ extension InputHandler {
       }
       var newState = generateStateOfInputting()
       newState.tooltip = NSLocalizedString(tooltipMessage, comment: "") + "　　"
-      newState.data.tooltipColorState = .normal
+      newState.data.tooltipColorState = .warning
       newState.tooltipDuration = 1.85
       delegate.switchState(newState)
       return true