diff --git a/app/(auth)/signup/page.tsx b/app/(auth)/signup/page.tsx
index e534c9f..579a047 100644
--- a/app/(auth)/signup/page.tsx
+++ b/app/(auth)/signup/page.tsx
@@ -12,7 +12,8 @@ export default function SignUp() {
   const [note, setNote] = useState("")
   const [type, setType] = useState("password")
   const [eye, setEye] = useState("relative top-10 left-72 text-balck")
-  const [eyeval, setEyeval] = useState("")
+  const [nlink, setNlink] = useState("")
+  const [check, setCheck] = useState("false")
 
   function changeStatus() {
     if(type == "password") {
@@ -29,6 +30,8 @@ export default function SignUp() {
     if(mssv.length == 0) {
       setClassnameE("border border-red-600 hover:border-sky-500 w-full h-14 rounded-lg px-2")
       setNote("Bạn phải nhập MSSV")
+      setCheck("false")
+      setNlink("")
     }
     else {
       setClassnameE("border hover:border-sky-500 w-full h-14 rounded-lg px-2")
@@ -37,6 +40,8 @@ export default function SignUp() {
     if(password.length == 0) {
       setClassnameP("border border-red-600 hover:border-sky-500 w-full h-14 rounded-lg px-2")
       setNote("Bạn phải nhập mật khẩu")
+      setCheck("false")
+      setNlink("")
     }
     else {
       setClassnameP("border hover:border-sky-500 w-full h-14 rounded-lg px-2")
@@ -44,9 +49,13 @@ export default function SignUp() {
 
     if(mssv.length == 0 && password.length == 0) {
       setNote("Bạn phải nhập MSSV và mật khẩu")
+      setCheck("false")
+      setNlink("")
     }
     if(mssv.length > 0 && password.length > 0) {
       setNote("")
+      setCheck("true")
+      setNlink("/signin")
     }
   }
 
@@ -62,18 +71,18 @@ export default function SignUp() {
 
         <div className="mx-auto w-5/6 flex flex-col justify-center">
 
-          <div className="relative top-2 left-2 w-16">
-            <div className="absolute bg-white w-full px-1">
-              <label htmlFor="mssv" className="text-xs w-full text-red-600 font-medium">* </label>
+          <div className="relative top-2 left-1 w-16">
+            <div className="absolute bg-white w-full px-2">
+              <label htmlFor="mssv" className="text-xs w-full text-red-600 font-medium">*  </label>
               <label htmlFor="mssv" className="text-xs text-gray-400 w-full font-medium">MSSV</label>
             </div>
           </div> <br /> 
 
           <input className={classnameE} type="text" id = "mssv" placeholder='Nhập mã số sinh viên' value={mssv} onChange={(evt) => setMssv(evt.target.value)} /> <br />
           
-          <div className="relative top-2 left-2 w-20">
-            <div className="absolute bg-white w-full px-1">
-              <label htmlFor="mssv" className="text-xs w-full text-red-600 font-medium">* </label>
+          <div className="relative top-2 left-1 w-20">
+            <div className="absolute bg-white w-full px-2">
+              <label htmlFor="mssv" className="text-xs w-full text-red-600 font-medium">*  </label>
               <label htmlFor="mssv" className="text-xs text-gray-400 w-full font-medium">Mật khẩu</label>
             </div>
           </div>
@@ -84,16 +93,16 @@ export default function SignUp() {
 
           <input className={classnameP} type={type} maxLength={32} id = "password" placeholder='Nhập mật khẩu' value={password} onChange={(evt) => setPassword(evt.target.value)} />  <br />
 
-          <div className="relative top-2 left-2 w-20">
-            <div className="absolute bg-white w-full px-1">
+          <div className="relative top-2 left-1 w-20">
+            <div className="absolute bg-white w-full px-2">
               <label htmlFor="Full Name" className="text-xs text-gray-400 w-full font-medium">Họ và tên</label>
             </div>
           </div> <br /> 
             <input className="border hover:border-sky-500 w-full h-14 rounded-lg px-2" type="text" id = "Full Name" placeholder='Nhập họ và tên' /> <br />
 
-            <div className="relative top-2 left-2 w-24">
-            <div className="absolute bg-white w-full px-1">
-            <label htmlFor="email" className="text-xs text-gray-400 w-full font-medium">Email</label>
+            <div className="relative top-2 left-1 w-12">
+            <div className="absolute bg-white w-full px-2">
+            <label htmlFor="email" className="text-xs text-gray-400 w-full font-medium"> Email</label>
             </div>
           </div> <br /> 
             <input className="border hover:border-sky-500 w-full h-14 rounded-lg px-2" type="text" id = "email" placeholder='Nhập email' /> <br />
@@ -108,7 +117,7 @@ export default function SignUp() {
           </button>
 
           <button className="font-bold bg-black hover:bg-sky-300 text-white rounded-2xl w-28 h-10" 
-          onClick={() => handleClick()}>Next</button>
+          onClick={() => handleClick()}> <Link href = {nlink}>Next</Link> </button>
         </div>
 
       </div>
diff --git a/components/layouts/Header.tsx b/components/layouts/Header.tsx
index f098359..8169919 100644
--- a/components/layouts/Header.tsx
+++ b/components/layouts/Header.tsx
@@ -149,4 +149,4 @@ export default function Header() {
       }
     </div>
   );
-}
+}
\ No newline at end of file