diff --git a/test/app.cc b/test/app.cc
index 19e4075..08ec181 100644
--- a/test/app.cc
+++ b/test/app.cc
@@ -42,18 +42,22 @@ static void Test()
     conn_info->SetVal("host", a8::XValue("127.0.0.1"));
     conn_info->SetVal("port", a8::XValue(3306));
     conn_info->SetVal("user", a8::XValue("root"));
-    conn_info->SetVal("passwd", a8::XValue("passwd"));
+    conn_info->SetVal("passwd", a8::XValue("keji178"));
     conn_info->SetVal("database", a8::XValue("gamedb1008_6"));
     f8::DBPool::Instance()->ExecAsyncQuery(
                                            *conn_info,
-                                           "SELECT 1;",
+                                           "SELECT 1 UNION SELECT 2 UNION SELECT 3;",
                                            {},
                                            a8::XParams(),
                                            [] (a8::XParams& param, const f8::DataSet* data_set)
                                            {
+                                               for (auto& row : *data_set) {
+                                                   printf("%s\n", row.at(0).c_str());
+                                               }
                                            },
                                            [] (a8::XParams& param, int error_code, const std::string& error_msg)
                                            {
+                                               printf("error_msg:%s\n", error_msg.c_str());
                                            }
                                            ,
                                            rand());