diff --git a/js/components/main.vue b/js/components/main.vue
index 82f9be4..303af7e 100644
--- a/js/components/main.vue
+++ b/js/components/main.vue
@@ -161,14 +161,16 @@ var mainWindow = {
                 this.selectCourses.push({
                     'time': t,
                     'name': course.name,
-                    'temp': false
+                    'temp': false,
+                    'number': course.number,
+                    'class': course.class
                 })
             }
         },
         'removeCourse': function (course) {
-            console.log("remove " + course)
+            console.log("remove " + course.name)
             for (var i = this.selectCourses.length - 1; i >= 0; i--) {
-                if (this.selectCourses[i].name == course) {
+                if (this.selectCourses[i].number === course.number && this.selectCourses[i].class === course.class) {
                     this.selectCourses.splice(i, 1)
                 }
             }
diff --git a/js/components/table.vue b/js/components/table.vue
index 999c6b1..475e848 100644
--- a/js/components/table.vue
+++ b/js/components/table.vue
@@ -5,7 +5,7 @@ var courseDiv = {
             {{ course.name }}
             <button type="button" 
                 v-if="!is_shared"
-                v-on:click="$emit('remove-course', course.name)"
+                v-on:click="$emit('remove-course', course)"
                 class="btn btn-danger btn-sm"
                 :style="{'display': is_print ? 'none' : 'inline-block'}"
             >
@@ -52,6 +52,8 @@ var courseTable = {
             for(var c of this.select_c){
                 this.courses[c.time] = {
                     'name': c.name,
+                    'number': c.number,
+                    'class': c.class,
                     'temp': c.temp
                 }