diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/net_srv.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/net_srv.c
index dc6c42d..a938752 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/net_srv.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/net_srv.c
@@ -481,13 +481,15 @@ void WCHNET_HandleSockInt(uint8_t socketid, uint8_t intstat)
 {
     uint8_t i;
     
-    // Route JSON protocol socket events
+    // Route JSON protocol socket events (listen socket, client socket)
     if (socketid == g_json_socket_listen || socketid == g_json_socket_client) {
         tcp_json_handle_sock_int(socketid, intstat);
         return;
     }
     // Also catch newly accepted TCP connections that might be JSON clients
-    if ((intstat & SINT_STAT_CONNECT) && socketid != SocketId_TCP && socketid != SocketId_UDP) {
+    // Exclude: listen socket, SSC TCP, UDP
+    if ((intstat & SINT_STAT_CONNECT) && socketid != g_json_socket_listen
+        && socketid != SocketId_TCP && socketid != SocketId_UDP) {
         tcp_json_handle_sock_int(socketid, intstat);
         return;
     }
diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c
index 5bd0232..b60d248 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c
@@ -662,8 +662,9 @@ void tcp_json_handle_sock_int(uint8_t socketid, uint8_t intstat) {
         }
     }
 
-    // === Newly accepted client (CONNECT on unknown socket) ===
+    // === Newly accepted client (CONNECT on unknown socket, but NOT the listen socket) ===
     if ((intstat & SINT_STAT_CONNECT) && socketid != g_json_socket_client 
+        && socketid != g_json_socket_listen
         && socketid != SocketId_TCP && socketid != SocketId_UDP) {
         g_json_socket_client = socketid;
         g_json_auth_state = JSON_STATE_WAIT_AUTH;