diff --git a/src/_components/Header/index.js b/src/_components/Header/index.js
index 2ff97c0..cd2a912 100644
--- a/src/_components/Header/index.js
+++ b/src/_components/Header/index.js
@@ -14,7 +14,7 @@ export default function Header({ icon, title, subtitles = [] }) {
           {!!subtitles?.length &&
             subtitles?.map((item, index) => (
               <span key={index} style={{ fontWeight: 400 }}>
-                <span className="header-title">{" > "}</span>
+                <span className="header-title">{" - "}</span>
                 {item}
               </span>
             ))}
diff --git a/src/_constants/common.js b/src/_constants/common.js
index f2b9115..307d743 100644
--- a/src/_constants/common.js
+++ b/src/_constants/common.js
@@ -96,7 +96,7 @@ export const getListMonthBySemester = (semester) => {
         { label: "Tháng 10", value: 10 },
         { label: "Tháng 11", value: 11 },
         { label: "Tháng 12", value: 12 },
-        { label: `Tháng 1 (${currentYear + 1})`, value: 1 },
+        { label: `Tháng 1 (${currentYear})`, value: 1 },
       ];
     case 2:
       return [
diff --git a/src/_screens/home/detail-grade/detailGrade.style.scss b/src/_screens/home/detail-grade/detailGrade.style.scss
index 016af00..278370f 100644
--- a/src/_screens/home/detail-grade/detailGrade.style.scss
+++ b/src/_screens/home/detail-grade/detailGrade.style.scss
@@ -29,7 +29,13 @@
     }
 
     .detail-grade-list-action {
-      align-self: flex-end;
+      display: flex;
+      justify-content: space-between;
+    }
+    .arrow-button{
+      display: flex;
+      justify-content: space-between;
+      width: 70%;
     }
 
     .detail-grade-list-class {
diff --git a/src/_screens/home/detail-grade/index.js b/src/_screens/home/detail-grade/index.js
index e72ccbb..e1922f5 100644
--- a/src/_screens/home/detail-grade/index.js
+++ b/src/_screens/home/detail-grade/index.js
@@ -153,7 +153,13 @@ export default function DetailGrade() {
           </div>
           <div className="detail-grade-right-side">
             <div className="detail-grade-list-action detail-grade-right-p-h">
-              {!!listClass?.length && <PrimaryButton onClick={handleExport}>Xuất excel</PrimaryButton>}
+              <div className="arrow-button">
+                <PrimaryButton onClick={()=>{}}>{'<'}</PrimaryButton>
+                <PrimaryButton onClick={()=>{}}>{'>'}</PrimaryButton>
+              </div>
+              <div>
+                  {!!listClass?.length && <PrimaryButton onClick={handleExport}>Xuất excel</PrimaryButton>}
+              </div>
             </div>
             <div className="detail-grade-list-class detail-grade-right-p-h scrollbar-custom">
               {!isLoading && !listClass?.length && (
diff --git a/src/_screens/home/headmaster/index.js b/src/_screens/home/headmaster/index.js
index 523d383..5a9fe70 100644
--- a/src/_screens/home/headmaster/index.js
+++ b/src/_screens/home/headmaster/index.js
@@ -45,7 +45,7 @@ export default function HeadmasterHome() {
 
   const schoolName = !!schoolId
     ? !!school_name ? decodeURIComponent(school_name) : ''
-    : authentication?.user?.organization_name;
+    : `Hiệu trưởng ${authentication?.user?.fullname||''} ${authentication?.user?.organization_name}`;
   const id = !!schoolId ? schoolId : authentication?.user?.organization_id;
 
   const changeSemester = (item) => {
@@ -197,13 +197,15 @@ export default function HeadmasterHome() {
       <div className="container-page-header container-page-sidebar">
         <div className="headmaster-home-container bg-main-img">
           <div className="headmaster-home-left-side">
-          <div style={{ display: 'flex', justifyContent: 'flex-end', alignItems: 'center' }}>
-              <PrimaryButton style={{ alignSelf: "center", justifyContent:'flex end', marginRight:30 }} onClick={()=>{
-                history.goBack()
-              }}>
-                Quay lại
-              </PrimaryButton>
-            </div>
+            {authentication.user.role ==='supper_admin' &&(
+              <div style={{ display: 'flex', justifyContent: 'flex-end', alignItems: 'center' }}>
+                  <PrimaryButton style={{ alignSelf: "center", justifyContent:'flex end', marginRight:30 }} onClick={()=>{
+                    history.goBack()
+                  }}>
+                    Quay lại
+                  </PrimaryButton>
+                </div>
+            )}
             <div className="headmaster-home-overview">
               <p className="headmaster-home-overview-title">
                 Mức độ hoàn thành của trường