diff --git a/errors/code.go b/errors/code.go
index da1f70f..b8e99b9 100644
--- a/errors/code.go
+++ b/errors/code.go
@@ -5,7 +5,7 @@ import (
 )
 
 const (
-	DefaultErrCode ErrorCode = -1
+	DefaultErrCode ErrorCode = 100000
 )
 
 type ErrorCode int64
diff --git a/errors/err.go b/errors/err.go
index d76c506..9fb9276 100644
--- a/errors/err.go
+++ b/errors/err.go
@@ -39,7 +39,7 @@ func (e *_err) Error() string {
 	if e == nil {
 		return ""
 	}
-	return fmt.Sprintf("err: %d-%s", e.code, e.msg)
+	return fmt.Sprintf("code: %d	err: %s", e.code, e.msg)
 }
 
 func (e *_err) Code() ErrorCode {