diff --git a/plugins/php-apt/index.py b/plugins/php-apt/index.py
index ca94ca877..af7397d5e 100755
--- a/plugins/php-apt/index.py
+++ b/plugins/php-apt/index.py
@@ -417,8 +417,8 @@ def setFpmConfig(version):
     max_spare_servers = args['max_spare_servers']
     pm = args['pm']
 
-    file = getServerDir() + '/php' + version + '/php-fpm.d/www.conf'
-    conf = mw.readFile(file)
+    filefpm = getFpmConfFile(version)
+    conf = mw.readFile(filefpm)
 
     rep = "\s*pm.max_children\s*=\s*([0-9]+)\s*"
     conf = re.sub(rep, "\npm.max_children = " + max_children, conf)
@@ -437,7 +437,7 @@ def setFpmConfig(version):
     rep = "\s*pm\s*=\s*(\w+)\s*"
     conf = re.sub(rep, "\npm = " + pm + "\n", conf)
 
-    mw.writeFile(file, conf)
+    mw.writeFile(filefpm, conf)
     reload(version)
 
     msg = mw.getInfo('设置PHP-{1}并发设置,max_children={2},start_servers={3},min_spare_servers={4},max_spare_servers={5}',