diff --git a/src/main/java/com/actiontech/dble/net/connection/BackendConnection.java b/src/main/java/com/actiontech/dble/net/connection/BackendConnection.java
index 6cdb52a258..ac10671b75 100644
--- a/src/main/java/com/actiontech/dble/net/connection/BackendConnection.java
+++ b/src/main/java/com/actiontech/dble/net/connection/BackendConnection.java
@@ -343,7 +343,7 @@ protected void handle(ByteBuffer dataBuffer, boolean isContainSSLData) throws IO
         } else {
             //ssl buffer -> bottomRead buffer
             transferToReadBuffer(dataBuffer);
-            if (maybeUseSSL()) {
+            if (isSupportSSL && maybeUseSSL()) {
                 //ssl login request(non ssl)&client hello(ssl)
                 super.handle(getBottomReadBuffer(), true);
             } else {