Update init.lua

2013-11-19 10:19:28 +08:00 · 2013-11-19 10:19:28 +08:00 · 339d5ebfec
parent 842dec7297
commit 339d5ebfec
1 changed files with 8 additions and 6 deletions
--- a/init.lua
+++ b/init.lua
@ -124,12 +124,14 @@ end

 function ua()
    local ua = ngx.var.http_user_agent
-    for _,rule in pairs(uarules) do
-        if rule ~="" and ngxmatch(ua,rule,"isjo") then
-            log('UA',ngx.var.request_uri,"-",rule)
-            say_html()
-        return true
-        end
+    if ua ~= nil then
+	    for _,rule in pairs(uarules) do
+	        if rule ~="" and ngxmatch(ua,rule,"isjo") then
+	            log('UA',ngx.var.request_uri,"-",rule)
+	            say_html()
+	        return true
+	        end
+	    end
    end
    return false
 end