diff --git a/main.swift b/main.swift
index 15edd85..d942790 100644
--- a/main.swift
+++ b/main.swift
@@ -49,6 +49,7 @@ func detectText(fileName : URL) -> [CIFeature]? {
 
         // Create a new request to recognize text.
         let request = VNRecognizeTextRequest(completionHandler: recognizeTextHandler)
+        request.recognitionLanguages = ["zh", "en-US"]
 
         do {
             // Perform the text-recognition request.