diff --git a/orm_lib/inc/drogon/orm/DbClient.h b/orm_lib/inc/drogon/orm/DbClient.h
index bf51da78..3d1f48ca 100644
--- a/orm_lib/inc/drogon/orm/DbClient.h
+++ b/orm_lib/inc/drogon/orm/DbClient.h
@@ -75,19 +75,22 @@ class DbClient : public trantor::NonCopyable
     static std::shared_ptr<DbClient> newSqlite3Client(const std::string &connInfo, const size_t connNum);
 #endif
     /// Async and nonblocking method
-    template <
-        typename FUNCTION1,
-        typename FUNCTION2,
-        typename... Arguments>
+    /**
+     * FUNCTION1 is usually the ResultCallback type;
+     * FUNCTION2 is usually the ExceptionCallback type;
+     */
+    template <typename FUNCTION1,
+              typename FUNCTION2,
+              typename... Arguments>
     void execSqlAsync(const std::string &sql,
-                      FUNCTION1 rCallback,
-                      FUNCTION2 exceptCallback,
+                      FUNCTION1 &&rCallback,
+                      FUNCTION2 &&exceptCallback,
                       Arguments &&... args) noexcept
     {
         auto binder = *this << sql;
         std::vector<int> v = {(binder << std::forward<Arguments>(args), 0)...};
-        binder >> rCallback;
-        binder >> exceptCallback;
+        binder >> std::forward<FUNCTION1>(rCallback);
+        binder >> std::forward<FUNCTION2>(exceptCallback);
     }
 
     /// Async and nonblocking method
diff --git a/orm_lib/src/postgresql_impl/test/test1.cc b/orm_lib/src/postgresql_impl/test/test1.cc
index 065ea605..faa419ee 100644
--- a/orm_lib/src/postgresql_impl/test/test1.cc
+++ b/orm_lib/src/postgresql_impl/test/test1.cc
@@ -107,5 +107,18 @@ int main()
                                 LOG_DEBUG << "async nonblocking except callback:" << e.base().what();
                             },
                             1);
+    clientPtr->execSqlAsync("select * from users where org_name=$1",
+                            [](const Result &r) {
+                                std::cout << r.size() << " rows selected!" << std::endl;
+                                int i = 0;
+                                for (auto row : r)
+                                {
+                                    std::cout << i++ << ": user name is " << row["user_name"].as<std::string>() << std::endl;
+                                }
+                            },
+                            [](const DrogonDbException &e) {
+                                std::cerr << "error:" << e.base().what() << std::endl;
+                            },
+                            "default");
     getchar();
 }