diff --git a/exchange-common/src/main/scala/com/vesoft/exchange/common/ErrorHandler.scala b/exchange-common/src/main/scala/com/vesoft/exchange/common/ErrorHandler.scala
index e188e8d5..d27994aa 100644
--- a/exchange-common/src/main/scala/com/vesoft/exchange/common/ErrorHandler.scala
+++ b/exchange-common/src/main/scala/com/vesoft/exchange/common/ErrorHandler.scala
@@ -57,7 +57,7 @@ object ErrorHandler {
 
     try {
       for (error <- buffer) {
-        errors.writeBytes(error)
+        errors.write(error.getBytes)
         errors.writeBytes("\n")
       }
     } finally {