diff --git a/php_wxwork_finance_sdk.h b/php_wxwork_finance_sdk.h
index b5dbed3..a39c32e 100644
--- a/php_wxwork_finance_sdk.h
+++ b/php_wxwork_finance_sdk.h
@@ -75,6 +75,8 @@ static inline void trace(const char *file, int line, const char* function, const
 
 #define WXWORK_SDK_G_NAME "_wecomSDK"
 #define WXWORK_SDK_G_NAME_SIZE sizeof(WXWORK_SDK_G_NAME) - 1
+// 默认超时时间
+#define WXWORK_SDK_DEFAULT_TIMEOUT 30
 
 #endif	/* PHP_WXWORK_FINANCE_SDK_H */
 
diff --git a/wxwork_finance_sdk.c b/wxwork_finance_sdk.c
index ee5cb91..66fd405 100644
--- a/wxwork_finance_sdk.c
+++ b/wxwork_finance_sdk.c
@@ -326,7 +326,7 @@ PHP_MINIT_FUNCTION(wxwork_finance_sdk)
     zend_declare_property_string(wxwork_finance_sdk_ce, "_proxy_host", sizeof("_proxy_host") - 1, "", ZEND_ACC_PRIVATE);
     zend_declare_property_string(wxwork_finance_sdk_ce, "_proxy_password", sizeof("_proxy_password") - 1, "", ZEND_ACC_PRIVATE);
     // request timeout
-    zend_declare_property_long(wxwork_finance_sdk_ce, "_timeout", sizeof("_timeout") - 1, 10, ZEND_ACC_PRIVATE);
+    zend_declare_property_long(wxwork_finance_sdk_ce, "_timeout", sizeof("_timeout") - 1, WXWORK_SDK_DEFAULT_TIMEOUT, ZEND_ACC_PRIVATE);
     // declare wecom finance sdk
     zend_declare_property_null(wxwork_finance_sdk_ce, WXWORK_SDK_G_NAME, WXWORK_SDK_G_NAME_SIZE, ZEND_ACC_PRIVATE);