diff --git a/README.md b/README.md
index 2ded943..0d83f5a 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ PHP VERSION >= 7.0
 ```
        $INSATLL_PATH_PATH/bin/phpize
         
-       ./configure --with-php-config=$INSTALL_PHP_PATH/php-config --with-wxwork_finance_sdk=$WXWORK_FINANCE_C_SDK_PATH
+       ./configure --with-php-config=$INSTALL_PHP_PATH/php-config --with-wxwork-finance-sdk=$WXWORK_FINANCE_C_SDK_PATH
        
         make && make install
 ```
diff --git a/config.m4 b/config.m4
index d044af5..1d8c0b4 100644
--- a/config.m4
+++ b/config.m4
@@ -7,9 +7,9 @@ dnl without editing.
 
 dnl If your extension references something external, use with:
 
-PHP_ARG_WITH(wxwork_finance_sdk, for wxwork_finance_sdk support,
+PHP_ARG_WITH(wxwork-finance-sdk, for wxwork_finance_sdk support,
 dnl Make sure that the comment is aligned:
-[  --with-wxwork_finance_sdk=DIR           Include wxwork_finance_sdk support])
+[  --with-wxwork-finance-sdk=DIR           Include wxwork_finance_sdk support])
 
 dnl Otherwise use enable:
 
@@ -26,7 +26,7 @@ if test "$PHP_WXWORK_FINANCE_SDK" != "no"; then
   fi
 
   PHP_ADD_INCLUDE($PHP_WXWORK_FINANCE_SDK)
-  PHP_ADD_LIBRARY_WITH_PATH(WeWorkFinanceSdk_C.so, $PHP_WXWORK_FINANCE_SDK, WXWORK_FINANCE_SDK_SHARED_LIBADD)
+  PHP_ADD_LIBRARY_WITH_PATH(WeWorkFinanceSdk_C, $PHP_WXWORK_FINANCE_SDK, WXWORK_FINANCE_SDK_SHARED_LIBADD)
 
   dnl Write more examples of tests here...
 
@@ -88,4 +88,5 @@ if test "$PHP_WXWORK_FINANCE_SDK" != "no"; then
   dnl PHP_SUBST(WXWORK_FINANCE_SDK_SHARED_LIBADD)
 
   PHP_NEW_EXTENSION(wxwork_finance_sdk, wxwork_finance_sdk.c, $ext_shared,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
+  PHP_SUBST(WXWORK_FINANCE_SDK_SHARED_LIBADD)
 fi