diff --git a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_CassetteExtension.swift b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_CassetteExtension.swift
index ee596e79..c5511382 100644
--- a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_CassetteExtension.swift
+++ b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_CassetteExtension.swift
@@ -19,6 +19,8 @@ public extension vChewingLM.LMInstantiator {
   var nullCandidateInCassette: String { Self.lmCassette.nullCandidate }
   /// 磁帶模式專用：選字鍵是否需要敲 Shift 才會生效。
   var areCassetteCandidateKeysShiftHeld: Bool { Self.lmCassette.areCandidateKeysShiftHeld }
+  /// 磁帶模式專用：需要直接递交的按键。
+  var keysToDirectlyCommit: String { Self.lmCassette.keysToDirectlyCommit }
   /// 磁帶模式專用：選字鍵，在威注音輸入法當中僅優先用於快速模式。
   var cassetteSelectionKey: String? {
     let result = Self.lmCassette.selectionKeys
diff --git a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/SubLMs/lmCassette.swift b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/SubLMs/lmCassette.swift
index 56b21176..88b1d676 100644
--- a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/SubLMs/lmCassette.swift
+++ b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/SubLMs/lmCassette.swift
@@ -26,6 +26,7 @@ public extension vChewingLM {
     public private(set) var selectionKeys: String = ""
     public private(set) var endKeys: [String] = []
     public private(set) var wildcardKey: String = ""
+    public private(set) var keysToDirectlyCommit: String = ""
     public private(set) var keyNameMap: [String: String] = [:]
     public private(set) var quickDefMap: [String: String] = [:]
     public private(set) var charDefMap: [String: [String]] = [:]
@@ -208,6 +209,9 @@ public extension vChewingLM {
             if wildcardKey.isEmpty, strLine.starts(with: "%wildcardkey ") {
               wildcardKey = cells[1].first?.description ?? ""
             }
+            if keysToDirectlyCommit.isEmpty, strLine.starts(with: "%keys_to_directly_commit ") {
+              keysToDirectlyCommit = strSecondCell
+            }
           }
           // Post process.
           if CandidateKey.validate(keys: selectionKeys) != nil { selectionKeys = "1234567890" }