diff --git a/.gitignore b/.gitignore
index a08655d..4b3453b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .idea/
-courses.ics
\ No newline at end of file
+courses.ics
+*.exe
\ No newline at end of file
diff --git a/generator.go b/generator.go
index 6cf1f95..a0a50b5 100644
--- a/generator.go
+++ b/generator.go
@@ -136,9 +136,9 @@ func New(username, password string, webVPN bool) (Generator, error) {
 	var platform neugo.Platform
 	if webVPN {
 		platform = neugo.WebVPN
-		s.currentWeekUrl = neugo.EncryptToWebVPN(defaultCurrentWeekUrl)
-		s.courseTableUrl = neugo.EncryptToWebVPN(defaultCourseTableUrl)
-		s.courseTableActionUrl = neugo.EncryptToWebVPN(defaultCourseTableActionUrl)
+		s.currentWeekUrl = neugo.EncryptURLToWebVPN(defaultCurrentWeekUrl)
+		s.courseTableUrl = neugo.EncryptURLToWebVPN(defaultCourseTableUrl)
+		s.courseTableActionUrl = neugo.EncryptURLToWebVPN(defaultCourseTableActionUrl)
 	} else {
 		platform = neugo.CAS
 		s.currentWeekUrl = defaultCurrentWeekUrl
diff --git a/go.mod b/go.mod
index feeff34..4e9c223 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/neucn/elise
 go 1.23.0
 
 require (
-	github.com/google/uuid v1.1.2
-	github.com/neucn/neugo v0.3.0
+	github.com/google/uuid v1.6.0
+	github.com/neucn/neugo v0.4.1
 )
diff --git a/go.sum b/go.sum
index 231cdd6..ac37735 100644
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,18 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/neucn/neugo v0.2.0 h1:aOzLQWJ9FZmTpciKedaHIuA3w05IjJ3yPpemWTFKYCM=
 github.com/neucn/neugo v0.2.0/go.mod h1:sKga4X9FF5N5ApwXxv+7RyqXZPDiBztj27PJX5r4wa8=
 github.com/neucn/neugo v0.2.1 h1:nIh+LYEyqyOeiFZnvbNMbfFB0+h4wCUlfqQAgSu9Uoc=
 github.com/neucn/neugo v0.2.1/go.mod h1:sKga4X9FF5N5ApwXxv+7RyqXZPDiBztj27PJX5r4wa8=
 github.com/neucn/neugo v0.3.0 h1:JwNAYgXA3GxJ01iGggps+yqJPqyAOp91PjnO/fQLRMg=
 github.com/neucn/neugo v0.3.0/go.mod h1:sKga4X9FF5N5ApwXxv+7RyqXZPDiBztj27PJX5r4wa8=
+github.com/neucn/neugo v0.4.0 h1:2zsVBIaJvMNf/nPH/0SINP18E+wobFZ3MhvfCbZuXkU=
+github.com/neucn/neugo v0.4.0/go.mod h1:58gIwIAZVecSpRPcDgEsMR3uwu77V7ryywDnv/OgYDI=
+github.com/neucn/neugo v0.4.1 h1:Hj8V7KanJ/s4N4lLbmQE4g5pQTK4A6Mn6ruKeboSGUI=
+github.com/neucn/neugo v0.4.1/go.mod h1:58gIwIAZVecSpRPcDgEsMR3uwu77V7ryywDnv/OgYDI=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
diff --git a/ics/generate.go b/ics/generate.go
index 8f64e8d..83af112 100644
--- a/ics/generate.go
+++ b/ics/generate.go
@@ -177,7 +177,7 @@ END:VTIMEZONE` + "\n"
 		for i := 0; i < len(periods); i++ {
 			var eventData string
 			eventData = `BEGIN:VEVENT` + "\n"
-			startDate := startDay.AddDate(0, 0, (startWeek[i]-1)*7+weekDay+1)
+			startDate := startDay.AddDate(0, 0, (startWeek[i]-1)*7+(weekDay+1)%7)
 
 			if strings.Contains(course.RoomName, "浑南") {
 				eventData = eventData + `DTSTART;TZID=Asia/Shanghai:` + startDate.Format("20060102T") + ClassStartTimeHunnan[st] + "\n"