diff --git a/src/components/Comments/index.js b/src/components/Comments/index.js
index 381c33d..c7a5c13 100644
--- a/src/components/Comments/index.js
+++ b/src/components/Comments/index.js
@@ -46,7 +46,7 @@ export const Comments = ({ comments, indent }) => {
               <div className="flex items-center">
                 <strong className="text-base mr-2">{comment.userId}</strong>
                 <span className="text-tiny text-greenBA mr-3">
-                  {comment?.userRoll || "خریدار محصول"}
+                  {comment?.userRoll || `${window.t("خریدار محصول")}`}
                 </span>
                 <div className="flex flex-row items-center mr-10 font-semibold">
                   <StarRating />
@@ -80,7 +80,7 @@ export const Comments = ({ comments, indent }) => {
                   <>
                     <img src={positiveIcon} alt="" className="w-6 ml-2" />
                     <span className="text-sm text-black">
-                      برای خرید توصیه می‌کنم
+                      {window.t("برای خرید توصیه می‌کنم")}
                     </span>
                   </>
                 )}
@@ -88,7 +88,7 @@ export const Comments = ({ comments, indent }) => {
                   <>
                     <img src={negativeIcon} alt="" className="w-6 ml-2" />
                     <span className="text-sm text-black">
-                      برای خرید توصیه نمی‌کنم
+                      {window.t("بازگشت بی چون و برای خرید توصیه نمی‌کنم")}
                     </span>
                   </>
                 )}
diff --git a/src/components/CourseChapter/index.js b/src/components/CourseChapter/index.js
index af3c8fe..86e7752 100644
--- a/src/components/CourseChapter/index.js
+++ b/src/components/CourseChapter/index.js
@@ -12,7 +12,7 @@ const CourseChapter = ({
   selectedVideo,
   userId,
   setVideoActive,
-  isMobile
+  isMobile,
 }) => {
   const duration = (value) => {
     const minute = value % 60;
@@ -30,19 +30,19 @@ const CourseChapter = ({
       className={`bg-transparent lg:bg-green1 bg-opacity-10 lg:bg-opacity-10 lg:shadow-md lg:py-5 lg:pr-5 overflow-hidden flex flex-col rounded-md`}
       style={{
         minWidth: "calc(100% / 12 * 3.5)",
-        height: isMobile ? "auto" :"calc(100vh - 300px)",
+        height: isMobile ? "auto" : "calc(100vh - 300px)",
       }}
     >
       <div className="hidden lg:flex flex-row w-full items-center justify-between">
         <div>
           <h2 className="text-green7B bg-opacity-5 text-base font-semibold">
-            سرفصل دوره
+            {window.t("سرفصل دوره")}
           </h2>
         </div>
         <div className="flex flex-row-reverse items-center divide-x divide-solid transform translate-x-2">
           <span className="text-green7B text-sm px-2">{book?.name}</span>
           <span className="text-green7B text-sm px-2">
-            {"پایه" + " " + grades[book?.gradeId]}
+            {`${window.t("پایه")}` + " " + grades[book?.gradeId]}
           </span>
         </div>
       </div>
@@ -88,7 +88,10 @@ const CourseChapter = ({
                 ></span>
               </div>
               {/* left div content  */}
-              <div className="py-1.5" style={{ width: isMobile ? '100%' :"90%" }}>
+              <div
+                className="py-1.5"
+                style={{ width: isMobile ? "100%" : "90%" }}
+              >
                 <div
                   className={`w-full bg-white flex flex-col transition duration-400  hover:scale-95 shadow-md border border-solid border-green-200 transform rounded-md
                   ${
@@ -100,7 +103,7 @@ const CourseChapter = ({
                   onClick={() =>
                     video?.isFreeVod || +userId === 140
                       ? setVideoActive(video)
-                      : toast.error("ابتدا محصول رو خریداری کن!")
+                      : toast.error(`${window.t("ابتدا محصول رو خریداری کن!")}`)
                   }
                   disabled={true}
                 >
@@ -138,7 +141,9 @@ const CourseChapter = ({
                       : "text-blueC0"
                   }`}
                   >
-                    {selectedVideo?.id === video?.id ? "در حال پخش" : "پخش"}
+                    {selectedVideo?.id === video?.id
+                      ? `${window.t("در حال پخش")}`
+                      : `${window.t("پخش")}`}
                   </span>
                 </div>
               </div>
@@ -157,7 +162,7 @@ const mapStateToProps = (state) => ({
   grades: state.publicApi.grades,
   // vods: state.publicApi.bookSection?.vods,
   userId: state?.user?.status?.id,
-  isMobile: state.publicApi.isMobile
+  isMobile: state.publicApi.isMobile,
 });
 
 const mapDispatchToProps = {