diff --git a/sample_test/src/server.py b/sample_test/src/server.py
index a7b78e41534eb0b27b74f87d0faa45eaa47cf143..de88ac96451dc6243e24a9354028dc07dd86b356 100644
--- a/sample_test/src/server.py
+++ b/sample_test/src/server.py
@@ -645,6 +645,9 @@ def client_handler(conn, SELF_NODE):
                     broadcast_msg(format_operation_and_timestamp_json('ABORT', timestamp), connect_info)
                     abort(SELF_NODE, timestamp)
 
+                if operation.startswith('BALANCE'):
+                    account_name = operation.split()[1]
+                    ret_value = f'{account_name} = {ret_value}'
                 send_msg_to_socket(ret_value, conn)
     except Exception as e:
         rprint(f"[ERROR] client_handler error:{e.__class__.__name__}.{e}.{traceback.format_exc()}")