小组课、直播课、视频课，暂无课程相关描述都改为暂无内容

KulexiuForTeacher/KulexiuForTeacher/Module/Mine/CroupCourse/View/MyGroupCourseBodyView.m

@@ -106,21 +106,7 @@
 }
 
 - (NSString *)getEmptyMessage {
-    if (self.selectIndex == 0) {
-        return @"暂无进行中小组课课程";
-    }
-    else if (self.selectIndex == 1) {
-        return @"暂无未上架小组课课程";
-    }
-    else if (self.selectIndex == 2) {
-        return @"暂无销售中小组课课程";
-    }
-    else if (self.selectIndex == 3) {
-        return @"暂无已完成小组课课程";
-    }
-    else  {
-        return @"暂无已取消小组课课程";
-    }
+    return @"暂无内容";
 }
 
 - (void)requestData {

KulexiuForTeacher/KulexiuForTeacher/Module/Mine/LiveCourse/View/MyLiveCourseBodyView.m

@@ -113,24 +113,7 @@
 }
 
 - (NSString *)getEmptyMessage {
-    if (self.selectIndex == 0) {
-        return @"暂无进行中直播课程";
-    }
-    else if (self.selectIndex == 1) {
-        return @"暂无未上架直播课程";
-    }
-    else if (self.selectIndex == 2) {
-        return @"暂无销售中直播课程";
-    }
-    else if (self.selectIndex == 3) {
-        return @"暂无已完成直播课程";
-    }
-    else if (self.selectIndex == 4) {
-        return @"暂无已取消直播课程";
-    }
-    else {
-        return @"暂无已下架直播课程";
-    }
+    return @"暂无内容";
 }
 
 - (void)requestData {

KulexiuForTeacher/KulexiuForTeacher/Module/Mine/VideoCourse/View/VideoListBodyView.m

@@ -110,18 +110,7 @@
 }
 
 - (NSString *)getEmptyMessage {
-    if (self.selectIndex == 0) {
-        return @"暂无已上架视频课程";
-    }
-    else if (self.selectIndex == 1) {
-        return @"暂无审核中视频课程";
-    }
-    else if (self.selectIndex == 2)  {
-        return @"暂无审核失败视频课程";
-    }
-    else {
-        return @"暂无已下架视频课程";
-    }
+    return @"暂无内容";
 }
 
 - (void)requestData {