Revert "attempt to downgrade serializeVer if client is newer than proxy"

This reverts commit 447075f1c2f0fc5451e9236dc22c72af1c5232fa.

1 files changed, 2 insertions, 4 deletions

diff --git a/process.go b/process.go
index 83b6b5a..bc466e1 100644
--- a/process.go
+++ b/process.go
@@ -33,9 +33,7 @@ func (cc *ClientConn) process(pkt mt.Pkt) {
 		}
 
 		cc.setState(csInit)
-
-		serializeVerCommon := min(cmd.SerializeVer, serializeVer)
-		if serializeVerCommon != serializeVer {
+		if cmd.SerializeVer != serializeVer {
 			cc.Log("<-", "unsupported serializeVer", cmd.SerializeVer, "expect", serializeVer)
 			ack, _ := cc.SendCmd(&mt.ToCltKick{Reason: mt.UnsupportedVer})
 
@@ -151,7 +149,7 @@ func (cc *ClientConn) process(pkt mt.Pkt) {
 		}
 
 		cc.SendCmd(&mt.ToCltHello{
-			SerializeVer: serializeVerCommon,
+			SerializeVer: serializeVer,
 			ProtoVer:     protoVerCommon,
 			AuthMethods:  cc.auth.method,
 			Username:     cc.Name(),