diff --git a/GMoonSDK.lua b/GMoonSDK.lua
new file mode 100644
index 0000000..269dfa7
--- /dev/null
+++ b/GMoonSDK.lua
@@ -0,0 +1,145 @@
+local GMoonSDK
+do
+  local _class_0
+  local _base_0 = {
+    pwd = "",
+    uname = "",
+    headers_info = "",
+    endpoints = {
+      ['s_uat'] = {
+        ['/search/universal/absolute/terms'] = {
+          'field',
+          'query',
+          'from',
+          'to',
+          'limit'
+        }
+      },
+      ['s_ua'] = {
+        ['/search/universal/absolute'] = {
+          'fields',
+          'query',
+          'from',
+          'to',
+          'limit'
+        }
+      },
+      ['s_urt'] = {
+        ['/search/universal/relative/terms'] = {
+          'field',
+          'query',
+          'range'
+        }
+      },
+      ['s_ut'] = {
+        ['/search/universal/relative'] = {
+          'fields',
+          'query',
+          'range'
+        }
+      }
+    }
+  }
+  _base_0.__index = _base_0
+  _class_0 = setmetatable({
+    __init = function() end,
+    __base = _base_0,
+    __name = "GMoonSDK"
+  }, {
+    __index = _base_0,
+    __call = function(cls, ...)
+      local _self_0 = setmetatable({}, _base_0)
+      cls.__init(_self_0, ...)
+      return _self_0
+    end
+  })
+  _base_0.__class = _class_0
+  local self = _class_0
+  self.build_headers = function(self)
+    local auth = "Basic " .. encode_base64(self.uname .. ":" .. self.pwd)
+    local headers = {
+      ['Authorization'] = auth,
+      ['Accept'] = 'application/json'
+    }
+    return headers
+  end
+  self.auth = function(self, username, password, host, port)
+    local errList = { }
+    if type(port) == 'nil' then
+      table.insert(errList, "port is nil\n")
+    end
+    if type(host) == 'nil' then
+      table.insert(errList, "host is nil\n")
+    end
+    if type(password) == 'nil' then
+      table.insert(errList, "password is nil\n")
+    end
+    if type(username) == 'table' then
+      table.insert(errList, "username is nil\n")
+    end
+    local num = table.getn(errList)
+    if num > 0 then
+      return errList
+    end
+    self.uname = username
+    self.pwd = password
+    self.host = host
+    self.port = port
+    self.url = "http://" .. host .. ":" .. port
+    self.headers_info = self:build_headers()
+    return self.url
+  end
+  self.getRequest = function(self, req_url)
+    local body, status_code, headers = http.simple({
+      url = req_url,
+      method = "GET",
+      headers = self.headers_info
+    })
+    return body
+  end
+  self.checkParam = function(self, s_type, s_param)
+    if type(self.url) == "nil" then
+      return 'auth info err.'
+    end
+    local info = self.endpoints[s_type]
+    local chk_flg = type(info)
+    if chk_flg == "nil" then
+      return "Input parameter error,unknow type."
+    end
+    local key = ''
+    for k, v in pairs(info) do
+      key = k
+    end
+    local str = ''
+    for k, v in pairs(info[key]) do
+      if type(s_param[v]) == 'nil' then
+        return info[key][k] .. ":is nil"
+      end
+      str = str .. s_param[v]
+    end
+    return "OK", str
+  end
+  self.call = function(self, s_type, s_param)
+    local key = ''
+    for k, v in pairs(self.endpoints[s_type]) do
+      key = k
+    end
+    local url_data = ngx.encode_args(s_param)
+    local tmp_url = self.url .. key .. "?"
+    local req_url = tmp_url .. url_data
+    local ret = self:getRequest(req_url)
+    return ret
+  end
+  self.dealStream = function(self, s_type, s_param)
+    local ret = ''
+    local status, param_list = GMoonSDK:checkParam(s_type, s_param)
+    if status == "OK" then
+      ret = GMoonSDK:call(s_type, s_param)
+    else
+      ret = status
+    end
+    return ret
+  end
+  GMoonSDK = _class_0
+  return _class_0
+end