web: changed response status of search result.

Author: tokibito

web/lua/opmserver.lua

@@ -1479,9 +1479,9 @@ do
         -- say(encode_json(rows))
 
         if #rows == 0 then
-            ngx.status = 404
+            ngx.status = 200
             say("no search result found.")
-            return ngx.exit(404)
+            return ngx.exit(200)
         end
 
         tab_clear(results)