diff --git a/plugins/php/conf/app_start.php b/plugins/php/conf/app_start.php
index 6309d8376..6b649c4aa 100644
--- a/plugins/php/conf/app_start.php
+++ b/plugins/php/conf/app_start.php
@@ -1,7 +1,9 @@
 <?php
 
 if (isset($_GET['mw_opcache_reset']) && $_GET['mw_opcache_reset'] == 'ok') {
-	opcache_reset();
+	if (function_exists('opcache_reset')) {
+		opcache_reset();
+	}
 }
 
 define('XHProf_Name', 'mdd');
diff --git a/plugins/xhprof/index.py b/plugins/xhprof/index.py
index 0715bcbe7..92e32f234 100755
--- a/plugins/xhprof/index.py
+++ b/plugins/xhprof/index.py
@@ -118,6 +118,18 @@ def status():
         return 'start'
     return 'stop'
 
+def getConfAppStart():
+    pstart = mw.getServerDir() + '/php/app_start.php'
+    return pstart
+
+
+def phpPrependFile(version):
+    app_start = getConfAppStart()
+    if not os.path.exists(app_start):
+        tpl = mw.getPluginDir() + '/php/conf/app_start.php'
+        content = mw.readFile(tpl)
+        content = contentReplace(content, version)
+        mw.writeFile(app_start, content)
 
 def start():
     file_tpl = getPluginDir() + '/conf/xhprof.conf'
@@ -203,11 +215,6 @@ def setXhPort():
     return mw.returnJson(True, '修改成功!')
 
 
-def getConfAppStart():
-    pstart = mw.getServerDir() + '/php/app_start.php'
-    return pstart
-
-
 def installPreInspection():
     path = mw.getServerDir() + '/php'
     if not os.path.exists(path):