move redirec to crmpixel ,as they both emphasis on auth cookies.

crmpixel.go

 	"fmt"
 	"math/rand"
 	"net/http"
+	"net/url"
 	"strconv"
 	"strings"
 	"time"
 	}
 	return
 }
+
+//for user's initial registration, especially for wechat users
+//they visit a url that is specifically designed for them to
+//auth and input their profile data.
+//the url's query string will contains a token and a signature
+//so that it's verified, by single get request, to allow people to
+//enter their details into the CRM system.
+//
+//this handler, check's the query sting ,set an auth cookie to the client
+//and serve angular app, through an URL "/profile/edit"
+//or if the user has already been registered,
+//redirect user to a URL "/pages/dashboard"
+//
+func setTrackingCookieAndRecirect(w http.ResponseWriter, r *http.Request) {
+
+	cookie := crmpixelCookie(r)
+	http.SetCookie(w, &cookie)
+
+	rq := r.URL.RawQuery
+	m, _ := url.ParseQuery(rq)
+
+	url, ok := m["url"]
+	if ok {
+		http.Redirect(w, r, url[0], 307) //302 temp redirect
+		return
+	}
+	w.WriteHeader(http.StatusNotFound)
+	fmt.Fprintf(w, "Not Found URL")
+}

main.go

 	fmt.Fprintf(w, "6JqVkftKr39GMakA")
 	//由于需要什么ICP备案，这个功能不能使用
 }
-
-//for user's initial registration, especially for wechat users
-//they visit a url that is specifically designed for them to
-//auth and input their profile data.
-//the url's query string will contains a token and a signature
-//so that it's verified, by single get request, to allow people to
-//enter their details into the CRM system.
-//
-//this handler, check's the query sting ,set an auth cookie to the client
-//and serve angular app, through an URL "/profile/edit"
-//or if the user has already been registered,
-//redirect user to a URL "/pages/dashboard"
-//
-func setTrackingCookieAndRecirect(w http.ResponseWriter, r *http.Request) {
-
-	cookie := crmpixelCookie(r)
-	http.SetCookie(w, &cookie)
-
-	rq := r.URL.RawQuery
-	m, _ := url.ParseQuery(rq)
-
-	url, ok := m["url"]
-	if ok {
-		http.Redirect(w, r, url[0], 307) //302 temp redirect
-		return
-	}
-	w.WriteHeader(http.StatusNotFound)
-	fmt.Fprintf(w, "Not Found URL")
-}