diff --git a/Packages/OpenCCBridge/Sources/OpenCCBridge/OpenCCBridge.swift b/Packages/OpenCCBridge/Sources/OpenCCBridge/OpenCCBridge.swift
index 18ea60dd..6bb93d71 100644
--- a/Packages/OpenCCBridge/Sources/OpenCCBridge/OpenCCBridge.swift
+++ b/Packages/OpenCCBridge/Sources/OpenCCBridge/OpenCCBridge.swift
@@ -29,19 +29,21 @@ import OpenCC
 /// Since SwiftyOpenCC only provide Swift classes, we create an NSObject subclass
 /// in Swift in order to bridge the Swift classes into our Objective-C++ project.
 public class OpenCCBridge: NSObject {
-    private static let shared = OpenCCBridge()
+
+    @objc public static let shared = OpenCCBridge()
+
     private var converter: ChineseConverter?
 
-    private override init() {
+    override init() {
         try? converter = ChineseConverter(options: .simplify)
         super.init()
     }
 
     /// Converts to Simplified Chinese.
-    /// 
+    ///
     /// - Parameter string: Text in Traditional Chinese.
     /// - Returns: Text in Simplified Chinese.
-    @objc public static func convertToSimplified(_ string: String) -> String? {
-        shared.converter?.convert(string)
+    @objc public func convertToSimplified(_ string: String) -> String? {
+        converter?.convert(string)
     }
 }
diff --git a/Source/InputMethodController.swift b/Source/InputMethodController.swift
index 7d091760..5ba4bac7 100644
--- a/Source/InputMethodController.swift
+++ b/Source/InputMethodController.swift
@@ -302,7 +302,7 @@ extension McBopomofoInputMethodController {
             if Preferences.chineseConversionStyle == 1 {
                 return text
             }
-            return Preferences.chineseConversionEngine == 1 ? VXHanConvert.convertToSimplified(from: text) : OpenCCBridge.convertToSimplified(text) ?? ""
+            return Preferences.chineseConversionEngine == 1 ? VXHanConvert.convertToSimplified(from: text) : OpenCCBridge.shared.convertToSimplified(text) ?? ""
         }
 
         let buffer = convertToSimplifiedChineseIfRequired(text)
diff --git a/Source/LanguageModelManager.mm b/Source/LanguageModelManager.mm
index 9cef327e..c3ab3db3 100644
--- a/Source/LanguageModelManager.mm
+++ b/Source/LanguageModelManager.mm
@@ -114,7 +114,7 @@ + (void)setupDataModelValueConverter
         if (Preferences.chineseConversionEngine == 1) {
             text = [VXHanConvert convertToSimplifiedFrom:text];
         } else {
-            text = [OpenCCBridge convertToSimplified:text];
+            text = [[OpenCCBridge shared] convertToSimplified:text];
         }
         return std::string(text.UTF8String);
     };