Authored by chunhua.zhang

add

@@ -68,8 +68,13 @@ end @@ -68,8 +68,13 @@ end
68 local args=ngx.req.get_uri_args() 68 local args=ngx.req.get_uri_args()
69 local method=args["method"] 69 local method=args["method"]
70 if method == "list" then 70 if method == "list" then
71 - local u_name = args["upstream"]  
72 - list(u_name) 71 + if not upstream then
  72 + ngx.exit(400)
  73 + ngx.log(ngx.ERR, "request params is error. upstream is null")
  74 + else
  75 + local u_name = args["upstream"]
  76 + list(u_name)
  77 + end
73 elseif(method=="down" or method=="up") then 78 elseif(method=="down" or method=="up") then
74 local upstream=args["upstream"] 79 local upstream=args["upstream"]
75 local backup=args["backup"]=="true" and true or false 80 local backup=args["backup"]=="true" and true or false