diff --git a/php_swoole.h b/php_swoole.h
new file mode 100644
index 0000000..fb3437c
--- /dev/null
+++ b/php_swoole.h
@@ -0,0 +1,67 @@
+/*
+  +----------------------------------------------------------------------+
+  | Swoole                                                               |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 2.0 of the Apache license,    |
+  | that is bundled with this package in the file LICENSE, and is        |
+  | available through the world-wide-web at the following url:           |
+  | http://www.apache.org/licenses/LICENSE-2.0.html                      |
+  | If you did not receive a copy of the Apache2.0 license and are unable|
+  | to obtain it through the world-wide-web, please send a note to       |
+  | license@swoole.com so we can mail you a copy immediately.            |
+  +----------------------------------------------------------------------+
+  | Author: Tianfeng Han  <mikan.tenny@gmail.com>                        |
+  +----------------------------------------------------------------------+
+*/
+
+#ifndef PHP_SWOOLE_H
+#define PHP_SWOOLE_H
+
+#include "php.h"
+#include "php_ini.h"
+#include "php_globals.h"
+#include "php_main.h"
+
+#include "php_streams.h"
+#include "php_network.h"
+
+#include "zend_variables.h"
+#include "zend_interfaces.h"
+#include "zend_closures.h"
+#include "zend_exceptions.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+extern zend_module_entry swoole_module_entry;
+#define phpext_swoole_ptr &swoole_module_entry
+
+PHP_MINIT_FUNCTION(swoole);
+PHP_MSHUTDOWN_FUNCTION(swoole);
+PHP_RINIT_FUNCTION(swoole);
+PHP_RSHUTDOWN_FUNCTION(swoole);
+PHP_MINFO_FUNCTION(swoole);
+
+// clang-format off
+ZEND_BEGIN_MODULE_GLOBALS(swoole)
+    zend_bool display_errors;
+    zend_bool cli;
+    zend_bool use_shortname;
+    zend_bool enable_coroutine;
+    zend_bool enable_preemptive_scheduler;
+    zend_bool enable_library;
+    long socket_buffer_size;
+    int req_status;
+ZEND_END_MODULE_GLOBALS(swoole)
+// clang-format on
+
+extern ZEND_DECLARE_MODULE_GLOBALS(swoole);
+
+#ifdef ZTS
+#define SWOOLE_G(v) TSRMG(swoole_globals_id, zend_swoole_globals *, v)
+#else
+#define SWOOLE_G(v) (swoole_globals.v)
+#endif
+
+#endif /* PHP_SWOOLE_H */
diff --git a/swoole_postgresql_coro.cc b/swoole_postgresql_coro.cc
index c69d813..ccb0fb8 100644
--- a/swoole_postgresql_coro.cc
+++ b/swoole_postgresql_coro.cc
@@ -301,6 +301,17 @@ static void _php_pgsql_notice_handler(void *resource_id, const char *message) {
     }
 }
 
+static void swoole_pgsql_check_and_register(void) {
+    php_swoole_check_reactor();
+
+    if (!swoole_event_isset_handler(PHP_SWOOLE_FD_POSTGRESQL)) {
+        swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_READ, swoole_pgsql_coro_onRead);
+        swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_WRITE, swoole_pgsql_coro_onWrite);
+        swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_ERROR, swoole_pgsql_coro_onError);
+    }
+
+}
+
 static PHP_METHOD(swoole_postgresql_coro, __construct) {}
 
 static PHP_METHOD(swoole_postgresql_coro, connect) {
@@ -334,6 +345,8 @@ static PHP_METHOD(swoole_postgresql_coro, connect) {
         RETURN_FALSE;
     }
 
+    swoole_pgsql_check_and_register();
+    /*
     php_swoole_check_reactor();
 
     if (!swoole_event_isset_handler(PHP_SWOOLE_FD_POSTGRESQL)) {
@@ -341,7 +354,7 @@ static PHP_METHOD(swoole_postgresql_coro, connect) {
         swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_WRITE, swoole_pgsql_coro_onWrite);
         swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_ERROR, swoole_pgsql_coro_onError);
     }
-
+    */
     object->socket = make_socket(fd, (enum swFd_type) PHP_SWOOLE_FD_POSTGRESQL);
     if (swoole_event_add(object->socket, SW_EVENT_WRITE) < 0) {
         php_swoole_fatal_error(E_WARNING, "swoole_event_add failed");
@@ -750,6 +763,8 @@ static PHP_METHOD(swoole_postgresql_coro, query) {
     pgsql = object->conn;
     object->object = ZEND_THIS;
 
+    swoole_pgsql_check_and_register();
+
     while ((pgsql_result = PQgetResult(pgsql))) {
         PQclear(pgsql_result);
     }
@@ -789,6 +804,8 @@ static PHP_METHOD(swoole_postgresql_coro, prepare) {
     pgsql = object->conn;
     object->object = ZEND_THIS;
 
+    swoole_pgsql_check_and_register();
+
     is_non_blocking = PQisnonblocking(pgsql);
 
     if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
@@ -844,6 +861,7 @@ static PHP_METHOD(swoole_postgresql_coro, execute) {
     object->request_type = NORMAL_QUERY;
     pgsql = object->conn;
     object->object = ZEND_THIS;
+    swoole_pgsql_check_and_register();
 
     is_non_blocking = PQisnonblocking(pgsql);
 
@@ -1108,6 +1126,7 @@ static PHP_METHOD(swoole_postgresql_coro, metaData) {
     object->request_type = META_DATA;
     pgsql = object->conn;
     object->object = ZEND_THIS;
+    swoole_pgsql_check_and_register();
 
     while ((pg_result = PQgetResult(pgsql))) {
         PQclear(pg_result);