diff --git a/Easydict/NewApp/Utility/GlobalContext.swift b/Easydict/NewApp/Utility/GlobalContext.swift
index d80b1e29d..557c22ae1 100644
--- a/Easydict/NewApp/Utility/GlobalContext.swift
+++ b/Easydict/NewApp/Utility/GlobalContext.swift
@@ -14,8 +14,9 @@ class GlobalContext: NSObject {
     static let shared = GlobalContext()
 
     let updaterController: SPUStandardUpdaterController
-    let updaterHelper: SPUUpdaterHelper
-    let userDriverHelper: SPUUserDriverHelper
+
+    private let updaterHelper: SPUUpdaterHelper
+    private let userDriverHelper: SPUUserDriverHelper
 
     override init() {
         updaterHelper = SPUUpdaterHelper()