diff --git a/controllers/controller.go b/controllers/controller.go
index 982a479..d38d3b8 100644
--- a/controllers/controller.go
+++ b/controllers/controller.go
@@ -7,7 +7,6 @@ import (
 	"git.rosy.net.cn/jx-print/model"
 	"git.rosy.net.cn/jx-print/utils"
 	"github.com/dchest/captcha"
-	"github.com/gin-contrib/sessions"
 	"github.com/gin-gonic/gin"
 	"net/http"
 	"strings"
@@ -93,10 +92,9 @@ func callFunc(c *gin.Context, worker func() (retVal interface{}, errCode string,
 }
 
 func captchaVerify(c *gin.Context, code string) bool {
-	session := sessions.Default(c)
-	if captchaId := session.Get(c.ClientIP() + model.SessionKey); captchaId != nil {
-		session.Delete(c.ClientIP() + model.SessionKey)
-		_ = session.Save()
+	//session := sessions.Default(c)
+	if captchaId := utils.GetKet(c.ClientIP() + model.SessionKey); captchaId != nil {
+		utils.DelKey(c.ClientIP() + model.SessionKey)
 		if captcha.VerifyString(captchaId.(string), code) {
 			return true
 		} else {
@@ -105,6 +103,17 @@ func captchaVerify(c *gin.Context, code string) bool {
 	} else {
 		return false
 	}
+	//if captchaId := session.Get(c.ClientIP() + model.SessionKey); captchaId != nil {
+	//	session.Delete(c.ClientIP() + model.SessionKey)
+	//	_ = session.Save()
+	//	if captcha.VerifyString(captchaId.(string), code) {
+	//		return true
+	//	} else {
+	//		return false
+	//	}
+	//} else {
+	//	return false
+	//}
 }
 
 func buildErrJson(c *gin.Context, err error) {
diff --git a/utils/utils.go b/utils/utils.go
index addb7f0..ae6aae7 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -8,7 +8,6 @@ import (
 	"git.rosy.net.cn/jx-print/globals"
 	"git.rosy.net.cn/jx-print/model"
 	"github.com/dchest/captcha"
-	"github.com/gin-contrib/sessions"
 	"github.com/gin-gonic/gin"
 	"math/rand"
 	"net/http"
@@ -65,10 +64,12 @@ func Captcha(c *gin.Context, length ...int) {
 		h = length[2]
 	}
 	captchaId := captcha.NewLen(l)
-	session := sessions.Default(c)
-	session.Set(c.ClientIP()+model.SessionKey, captchaId)
-	_ = session.Save()
-	_ = Serve(c.Writer, c.Request, captchaId, ".png", "zh", false, w, h)
+	//session := sessions.Default(c)
+	//session.Set(c.ClientIP()+model.SessionKey, captchaId)
+	//_ = session.Save()
+	if err := SetKey(c.ClientIP()+model.SessionKey, captchaId, time.Minute*5); err == nil {
+		_ = Serve(c.Writer, c.Request, captchaId, ".png", "zh", false, w, h)
+	}
 }
 
 func Serve(w http.ResponseWriter, r *http.Request, id, ext, lang string, download bool, width, height int) error {