增加对script的验证

waf.lua

@@ -66,7 +66,7 @@ elseif "POST" == request_method then
 end 
 ---如果参数中有<script>...</script>怎跳转google验证
 for k, v in pairs(args) do
-    if string.find (v, '<script>', 1) != nil then
+    if string.find (v, '<script>', 1) ~= nil then
 		redirect.checkgoogle(red)
 	end
 end