diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Web/Controllers/SSOSystemController.cs b/Learun.Framework.Ultimate V7/Learun.Application.Web/Controllers/SSOSystemController.cs
index e63133638..404049e80 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Web/Controllers/SSOSystemController.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Web/Controllers/SSOSystemController.cs	
@@ -90,7 +90,7 @@ namespace Learun.Application.Web.Controllers
             var application = perm_FunctionIBLL.GetPerm_FunctionEntity(appid);
             if (application != null)
             {
-                if (Md5Helper.Encrypt(application.FSecret, 32) == appkey)
+                if (Md5Helper.Encrypt(Util.DESEncrypt.Decrypt(application.FSecret, ConfigurationManager.AppSettings["SSOPublicSecret"]), 32) == appkey)
                 {
                     OperatorHelper.Instance.EmptyCurrent(DESEncrypt.Decrypt(t), DESEncrypt.Decrypt(m));
                     return SuccessString("true");
@@ -132,7 +132,7 @@ namespace Learun.Application.Web.Controllers
             var application = perm_FunctionIBLL.GetPerm_FunctionEntity(appid);
             if (application != null)
             {
-                if (Md5Helper.Encrypt(application.FSecret, 32) == appkey)
+                if (Md5Helper.Encrypt(Util.DESEncrypt.Decrypt(application.FSecret, ConfigurationManager.AppSettings["SSOPublicSecret"]), 32) == appkey)
                 {
                     OperatorResult res = OperatorHelper.Instance.IsOnLine(DESEncrypt.Decrypt(t), DESEncrypt.Decrypt(m));
                     if (res.stateCode == 1)
@@ -182,7 +182,7 @@ namespace Learun.Application.Web.Controllers
             var application = perm_FunctionIBLL.GetPerm_FunctionEntity(appid);
             if (application != null)
             {
-                if (Md5Helper.Encrypt(application.FSecret, 32) == appkey)
+                if (Md5Helper.Encrypt(Util.DESEncrypt.Decrypt(application.FSecret, ConfigurationManager.AppSettings["SSOPublicSecret"]), 32) == appkey)
                 {
                     OperatorResult res = OperatorHelper.Instance.IsOnLine(DESEncrypt.Decrypt(t), DESEncrypt.Decrypt(m));
                     if (res.stateCode == 1)
diff --git a/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/SSOApi.cs b/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/SSOApi.cs
index 3cb92ac98..59f1c1d12 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/SSOApi.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/SSOApi.cs	
@@ -71,7 +71,7 @@ namespace Learun.Application.WebApi.Modules
             var application = perm_FunctionIBLL.GetPerm_FunctionEntity(appid);
             if (application != null)
             {
-                if (Md5Helper.Encrypt(application.FSecret, 32) == appkey)
+                if (Md5Helper.Encrypt(Util.DESEncrypt.Decrypt(application.FSecret, ConfigurationManager.AppSettings["SSOPublicSecret"]), 32) == appkey)
                 {
                     OperatorHelper.Instance.EmptyCurrent(DESEncrypt.Decrypt(t), DESEncrypt.Decrypt(m));
                     return SuccessString("true");
@@ -114,7 +114,7 @@ namespace Learun.Application.WebApi.Modules
             var application = perm_FunctionIBLL.GetPerm_FunctionEntity(appid);
             if (application != null)
             {
-                if (Md5Helper.Encrypt(application.FSecret, 32) == appkey)
+                if (Md5Helper.Encrypt(Util.DESEncrypt.Decrypt(application.FSecret, ConfigurationManager.AppSettings["SSOPublicSecret"]), 32) == appkey)
                 {
                     OperatorResult res = OperatorHelper.Instance.IsOnLine(DESEncrypt.Decrypt(t), DESEncrypt.Decrypt(m));
                     if (res.stateCode == 1)