diff --git a/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java b/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
index 9004141e..19fa8dec 100644
--- a/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
@@ -12,6 +12,7 @@ import org.springframework.util.Base64Utils;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 
 /**
  * Created by kl on 2018/1/17.
@@ -36,8 +37,8 @@ public class SimTextFilePreviewImpl implements FilePreview {
         try {
             File originFile = new File(response.getContent());
             String charset = KkFileUtils.getFileEncode(originFile);
-            String xmlString = FileUtils.readFileToString(originFile, charset);
-            model.addAttribute("textData", Base64Utils.encodeToString(xmlString.getBytes(charset)));
+            String fileData = FileUtils.readFileToString(originFile, charset);
+            model.addAttribute("textData", Base64Utils.encodeToString(fileData.getBytes(StandardCharsets.UTF_8)));
         } catch (IOException e) {
             return otherFilePreview.notSupportedFile(model, fileAttribute, e.getLocalizedMessage());
         }