diff --git a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift
index 3eb773fe..ab1e179b 100644
--- a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift
+++ b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator.swift
@@ -141,7 +141,7 @@ public extension vChewingLM {
 
     // 上述幾個函式不要加 Async，因為這些內容都被 LMMgr 負責用別的方法 Async 了、用 GCD 的多任務並行共結來完成。
 
-    public func loadUserPhrasesData(path: String, filterPath: String) {
+    public func loadUserPhrasesData(path: String, filterPath: String?) {
       DispatchQueue.main.async {
         if FileManager.default.isReadableFile(atPath: path) {
           self.lmUserPhrases.clear()
@@ -151,6 +151,7 @@ public extension vChewingLM {
           vCLog("lmUserPhrases: File access failure: \(path)")
         }
       }
+      guard let filterPath = filterPath else { return }
       DispatchQueue.main.async {
         if FileManager.default.isReadableFile(atPath: filterPath) {
           self.lmFiltered.clear()
@@ -162,6 +163,17 @@ public extension vChewingLM {
       }
     }
 
+    /// 這個函式不用 GCD。
+    public func reloadUserFilterDirectly(path: String) {
+      if FileManager.default.isReadableFile(atPath: path) {
+        lmFiltered.clear()
+        lmFiltered.open(path)
+        vCLog("lmFiltered: \(lmFiltered.count) entries of data loaded from: \(path)")
+      } else {
+        vCLog("lmFiltered: File access failure: \(path)")
+      }
+    }
+
     public func loadUserSymbolData(path: String) {
       DispatchQueue.main.async {
         if FileManager.default.isReadableFile(atPath: path) {
diff --git a/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Core.swift b/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Core.swift
index b5030007..076c6253 100644
--- a/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Core.swift
+++ b/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Core.swift
@@ -220,15 +220,22 @@ public class LMMgr {
       return
     }
     switch type {
-    case .thePhrases, .theFilter:
+    case .thePhrases:
       Self.lmCHT.loadUserPhrasesData(
         path: userDictDataURL(mode: .imeModeCHT, type: .thePhrases).path,
-        filterPath: userDictDataURL(mode: .imeModeCHT, type: .theFilter).path
+        filterPath: nil
       )
       Self.lmCHS.loadUserPhrasesData(
         path: userDictDataURL(mode: .imeModeCHS, type: .thePhrases).path,
-        filterPath: userDictDataURL(mode: .imeModeCHS, type: .theFilter).path
+        filterPath: nil
       )
+    case .theFilter:
+      DispatchQueue.main.async {
+        Self.reloadUserFilterDirectly(mode: IMEApp.currentInputMode)
+      }
+      DispatchQueue.main.async {
+        Self.reloadUserFilterDirectly(mode: IMEApp.currentInputMode.reversed)
+      }
     case .theReplacements:
       if PrefMgr.shared.phraseReplacementEnabled { Self.loadUserPhraseReplacement() }
     case .theAssociates:
@@ -270,6 +277,10 @@ public class LMMgr {
     )
   }
 
+  public static func reloadUserFilterDirectly(mode: Shared.InputMode) {
+    Self.getLM(mode: mode).reloadUserFilterDirectly(path: userDictDataURL(mode: mode, type: .theFilter).path)
+  }
+
   public static func checkIfPhrasePairExists(
     userPhrase: String,
     mode: Shared.InputMode,
diff --git a/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_UserPhraseStructure.swift b/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_UserPhraseStructure.swift
index b53ff9f1..14ec9b83 100644
--- a/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_UserPhraseStructure.swift
+++ b/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_UserPhraseStructure.swift
@@ -185,6 +185,7 @@ public extension LMMgr {
         fileHandle.seek(toFileOffset: currentWorkingOffset)
         fileHandle.write(blankData)
       }
+      LMMgr.reloadUserFilterDirectly(mode: inputMode)
       return true
     }
   }
diff --git a/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Utilities.swift b/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Utilities.swift
index de8f883d..48836072 100644
--- a/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Utilities.swift
+++ b/Packages/vChewing_MainAssembly/Sources/MainAssembly/LMMgr_Utilities.swift
@@ -282,7 +282,7 @@ public extension LMMgr {
     if PrefMgr.shared.phraseEditorAutoReloadExternalModifications {
       Broadcaster.shared.eventForReloadingPhraseEditor = .init()
     }
-    loadUserPhrasesData(type: .thePhrases)
+    loadUserPhrasesData(type: areWeFiltering ? .theFilter : .thePhrases)
   }
 
   // MARK: - 藉由語彙編輯器開啟使用者檔案