diff --git a/lua/tools.lua b/lua/tools.lua
index 40e4f75..513e9aa 100644
--- a/lua/tools.lua
+++ b/lua/tools.lua
@@ -1,11 +1,25 @@
 module("tools", package.seeall)
+local ngx_re = require "ngx.re"
+
 function split(s, p)
     -- 字符串切割
     local rt = {}
-    string.gsub(s, '[^' .. p .. ']+', function(w)
-        rt[#rt + 1] = w
-        --table.insert(rt, w)
-    end )
+
+    -- 对问号分割做转义
+    if p == "?" then
+        p = "\\?"
+    end
+    
+    local res = ngx_re.split(s, p)
+    if res then
+        if res[1] == "" then
+            table.remove(res, 1)
+        end
+        rt = res
+    else
+        table.insert(rt, 1, s)
+    end
+
     return rt
 end
 
diff --git a/lua/upstream.lua b/lua/upstream.lua
index e3857b8..07c953d 100644
--- a/lua/upstream.lua
+++ b/lua/upstream.lua
@@ -21,7 +21,7 @@ function _M.set(real_new_uri)
 		for i, elem in ipairs(rewrite_conf[host]['rewrite_urls']) do
 			--local ret = tools.match(uri,elem['uri'])
 			--if ret then
-			local ret = tools.match('/'..svc_code,elem['uri'])
+			-- local ret = tools.match('/'..svc_code,elem['uri'])
 			if '/'..svc_code == elem['uri'] then
 				data [string.len(elem['uri'])] = elem['rewrite_upstream']
 			end