diff --git a/internal/nodes/session_manager.go b/internal/nodes/session_manager.go
index 4eaa5bc5..9cad35d8 100644
--- a/internal/nodes/session_manager.go
+++ b/internal/nodes/session_manager.go
@@ -40,6 +40,7 @@ func (this *SessionManager) Read(sid string) map[string]string {
 	resp, err := rpcClient.LoginSessionRPC().FindLoginSession(rpcClient.Context(0), &pb.FindLoginSessionRequest{Sid: sid})
 	if err != nil {
 		logs.Println("SESSION", "read '"+sid+"' failed: "+err.Error())
+		result["@error"] = err.Error()
 		return result
 	}
 
diff --git a/internal/web/helpers/user_must_auth.go b/internal/web/helpers/user_must_auth.go
index 39d787e3..b66c9933 100644
--- a/internal/web/helpers/user_must_auth.go
+++ b/internal/web/helpers/user_must_auth.go
@@ -170,6 +170,11 @@ func (this *userMustAuth) BeforeAction(actionPtr actions.ActionWrapper, paramNam
 	var adminId = session.GetInt64("adminId")
 
 	if adminId <= 0 {
+		var errString = session.GetString("@error")
+		if len(errString) > 0 {
+			action.WriteString("read session failed: " + errString)
+			return false
+		}
 		this.login(action)
 		return false
 	}