envelop body is used for debug purpose only.

apiV1Response.go

 package main
 
 import (
-	"biukop/sfm/loan"
+	"biukop.com/sfm/loan"
 	"encoding/json"
 	"fmt"
 	"net/http"
 	Success   bool
 	Msg       string
 	TimeStamp string
-	Body      interface{}
+	Body      map[string]interface{}
 	Session   loan.Session
 }
 
 		Msg:       "",
 		TimeStamp: ts,
 	}
+	ret.Body = make(map[string]interface{})
 	return
 }
 
 func (m *apiV1Response) sendJson(w http.ResponseWriter) (ret []byte, e error) {
 	tempMap := m.tmp
 	m.tmp = nil
-	tempMap["_"] = m.Env
+	if config.Debug {
+		tempMap["_"] = m.Env
+	}
 	ret, e = json.Marshal(tempMap)
 	//sent
 	w.Header().Set("Content-Type", "text/json; charset=utf-8")