diff --git a/Sources/XXClient/Functions/GetFileTransferParams.swift b/Sources/XXClient/Functions/GetFileTransferParams.swift
index 013536d9d5d255742fb29bced30724c6dbac927f..f42924d10f0955ad0972b07754db8debc6412051 100644
--- a/Sources/XXClient/Functions/GetFileTransferParams.swift
+++ b/Sources/XXClient/Functions/GetFileTransferParams.swift
@@ -19,8 +19,7 @@ extension GetFileTransferParams {
 }
 
 extension GetFileTransferParams {
-  public static let unimplemented = GetCMixParams(
+  public static let unimplemented = GetFileTransferParams(
     run: XCTUnimplemented("\(Self.self)", placeholder: "unimplemented".data(using: .utf8)!)
   )
 }
-