diff --git a/public/_redirects b/public/_redirects
new file mode 100644
index 00000000..f8243379
--- /dev/null
+++ b/public/_redirects
@@ -0,0 +1 @@
+/* /index.html 200
\ No newline at end of file
diff --git a/src/.bash_history b/src/.bash_history
new file mode 100644
index 00000000..73d8372b
--- /dev/null
+++ b/src/.bash_history
@@ -0,0 +1,5 @@
+ls
+cd ..
+ls
+npm run build
+exit
diff --git a/src/.cache/motd.legal-displayed b/src/.cache/motd.legal-displayed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/.npm/_update-notifier-last-checked b/src/.npm/_update-notifier-last-checked
new file mode 100644
index 00000000..e69de29b
diff --git a/src/api/BASE_URL.ts b/src/api/BASE_URL.ts
index 445647c1..5872ad62 100644
--- a/src/api/BASE_URL.ts
+++ b/src/api/BASE_URL.ts
@@ -1,4 +1,4 @@
-export const BASE_URL = "https://steach.ssafy.io";
+export const BASE_URL = "https://ssafyworld.com";
 
 // 토큰을 가져오는 함수
 export const getAuthToken = () => {
diff --git a/src/assets/RTC/cam.png b/src/assets/RTC/cam.png
index 06f2adfd..6e1097a0 100644
Binary files a/src/assets/RTC/cam.png and b/src/assets/RTC/cam.png differ
diff --git a/src/assets/RTC/chat.png b/src/assets/RTC/chat.png
index b65381e0..e294d4f2 100644
Binary files a/src/assets/RTC/chat.png and b/src/assets/RTC/chat.png differ
diff --git a/src/assets/RTC/mic.png b/src/assets/RTC/mic.png
index 92149f08..330f56da 100644
Binary files a/src/assets/RTC/mic.png and b/src/assets/RTC/mic.png differ
diff --git a/src/assets/RTC/no_cam.png b/src/assets/RTC/no_cam.png
index e75c5aac..7a556312 100644
Binary files a/src/assets/RTC/no_cam.png and b/src/assets/RTC/no_cam.png differ
diff --git a/src/assets/RTC/no_chat.png b/src/assets/RTC/no_chat.png
new file mode 100644
index 00000000..52f7b881
Binary files /dev/null and b/src/assets/RTC/no_chat.png differ
diff --git a/src/assets/RTC/no_mic.png b/src/assets/RTC/no_mic.png
index 2ad8d906..ec877922 100644
Binary files a/src/assets/RTC/no_mic.png and b/src/assets/RTC/no_mic.png differ
diff --git a/src/assets/RTC/no_quiz.png b/src/assets/RTC/no_quiz.png
new file mode 100644
index 00000000..c3c4ba33
Binary files /dev/null and b/src/assets/RTC/no_quiz.png differ
diff --git a/src/assets/RTC/no_screen.png b/src/assets/RTC/no_screen.png
new file mode 100644
index 00000000..99c529e1
Binary files /dev/null and b/src/assets/RTC/no_screen.png differ
diff --git a/src/assets/RTC/no_students_screen.png b/src/assets/RTC/no_students_screen.png
new file mode 100644
index 00000000..54d3311c
Binary files /dev/null and b/src/assets/RTC/no_students_screen.png differ
diff --git a/src/assets/RTC/quiz.png b/src/assets/RTC/quiz.png
index 3db8d67c..5ec0b5ad 100644
Binary files a/src/assets/RTC/quiz.png and b/src/assets/RTC/quiz.png differ
diff --git a/src/assets/RTC/screen.png b/src/assets/RTC/screen.png
index 63a86208..df20c7f6 100644
Binary files a/src/assets/RTC/screen.png and b/src/assets/RTC/screen.png differ
diff --git a/src/assets/RTC/students_screen.png b/src/assets/RTC/students_screen.png
new file mode 100644
index 00000000..e5950c51
Binary files /dev/null and b/src/assets/RTC/students_screen.png differ
diff --git a/src/components/main/search/SearchNoResult.tsx b/src/components/main/search/SearchNoResult.tsx
index 5c807233..31efe9af 100644
--- a/src/components/main/search/SearchNoResult.tsx
+++ b/src/components/main/search/SearchNoResult.tsx
@@ -4,7 +4,7 @@ const SearchNoResult: React.FC = () => {
       <div>
         <div>
           <img
-            src="http://steach.ssafy.io:8082/img-upload/display/my/akjccuxzqsimage-removebg-preview (3).png"
+            src="https://steach.ssafy.io/img-upload/display/my/akjccuxzqsimage-removebg-preview (3).png"
             alt="no-image"
           />
         </div>
diff --git a/src/components/teacher/teacherMyLecture/TeacherMyLectureList.tsx b/src/components/teacher/teacherMyLecture/TeacherMyLectureList.tsx
index 0dca1051..aaee3370 100644
--- a/src/components/teacher/teacherMyLecture/TeacherMyLectureList.tsx
+++ b/src/components/teacher/teacherMyLecture/TeacherMyLectureList.tsx
@@ -134,7 +134,7 @@ const TeacherMyLectureList: React.FC = () => {
                             lecture.lecture_start_time.slice(0, 10)
                           );
                           return (
-                            <div
+<div
                               key={index2}
                               className="grid grid-cols-4 border-b-2 border-gray-400 pt-1"
                             >
@@ -143,9 +143,9 @@ const TeacherMyLectureList: React.FC = () => {
                                   {lecture.lecture_title}
                                 </h2>
                                 <p>
-                                  {daysAgo > 0
+                                  {daysAgo > 0 || lecture.is_completed
                                     ? `종료된 강의입니다.`
-                                    : daysAgo < 0
+                                    : daysAgo < 0 && !lecture.is_completed
                                     ? `${-daysAgo}일 후 강의가 있습니다.`
                                     : "오늘 강의입니다."}
                                 </p>
@@ -169,7 +169,7 @@ const TeacherMyLectureList: React.FC = () => {
                                 </main>
                               </div>
                               <div className="flex justify-center items-center col-span-1">
-                                {daysAgo > 0 && lecture.is_completed ? (
+                                {daysAgo > 0 || lecture.is_completed ? (
                                   <TeacherMyLectureListButton
                                     lectureState={"completed"}
                                     lectureId={lecture.lecture_id}