diff --git a/src/org/redkale/convert/ext/FileSimpledCoder.java b/src/org/redkale/convert/ext/FileSimpledCoder.java
index a08b39e81..b5885b2e7 100644
--- a/src/org/redkale/convert/ext/FileSimpledCoder.java
+++ b/src/org/redkale/convert/ext/FileSimpledCoder.java
@@ -20,7 +20,7 @@ import org.redkale.convert.*;
  */
 public class FileSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, File> {
 
-    public static final PatternSimpledCoder instance = new PatternSimpledCoder();
+    public static final FileSimpledCoder instance = new FileSimpledCoder();
 
     @Override
     public void convertTo(W out, File value) {