diff --git a/app/api/channel_code/route.ts b/app/api/channel_code/route.ts
index 49c13c2..3597477 100644
--- a/app/api/channel_code/route.ts
+++ b/app/api/channel_code/route.ts
@@ -6,7 +6,6 @@ import { randomBytes } from 'crypto';
 export async function GET(request: Request) {
   const session = await auth();
   if (!session) {
-    console.log(session)
     return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
   }
   try {
diff --git a/app/components/LayoutClient.tsx b/app/components/LayoutClient.tsx
index 024e440..3b32df6 100644
--- a/app/components/LayoutClient.tsx
+++ b/app/components/LayoutClient.tsx
@@ -5,7 +5,6 @@ import NavBar from '@/app/components/NavBar';
 
 export default function Layout({ children , session}: { children: React.ReactNode , session: any }) {
   const [isOpen, setIsOpen] = useState(false);
-  console.log(session);
   return (
     <div className="bg-[#F5F5F5] h-full flex flex-row " onClick={() => setIsOpen(false)}>
       <NavBar isOpen={isOpen} setIsOpen={setIsOpen} user={session?.user} />
diff --git a/app/usr/4_noticeboard/page.tsx b/app/usr/4_noticeboard/page.tsx
index 9778388..68c3e61 100644
--- a/app/usr/4_noticeboard/page.tsx
+++ b/app/usr/4_noticeboard/page.tsx
@@ -53,7 +53,6 @@ export default function Page() {
     const response = await fetch('/api/notice');
     const data = await response.json();
     setNoticeList(data);
-    console.log(data);
   }
 
   useEffect(() => {
diff --git a/auth.ts b/auth.ts
index b0d951a..ce352f8 100644
--- a/auth.ts
+++ b/auth.ts
@@ -1,6 +1,12 @@
 // src/auth.ts
 import NextAuth from "next-auth";
 import Google from "next-auth/providers/google";
+import { PrismaClient } from "@/app/generated/prisma";
+import { randomBytes } from "crypto";
+
+function generateRegisterCode(): string {
+  return randomBytes(16).toString("hex");
+}
 
 export const { handlers, auth, signIn, signOut } = NextAuth({
   providers: [
@@ -13,6 +19,7 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
   
   events: {
     async signIn({ user, account, profile }) {
+
       console.log("[NextAuth] signIn user:", {
         id: (user as any)?.id,
         name: user?.name,
@@ -20,6 +27,41 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
         image: (user as any)?.image,
         provider: account?.provider,
       });
+
+      // Upsert User (by email)
+      try {
+        const prisma = new PrismaClient();
+        const email = user?.email ?? "";
+        if (!email) {
+          console.warn("[NextAuth] Missing email, skip user upsert");
+          return;
+        }
+
+        const existing = await prisma.user.findFirst({ where: { email } });
+        if (existing) {
+          const registerCodeData = existing.RegisgerCode
+            ? {}
+            : { RegisgerCode: generateRegisterCode() };
+          await prisma.user.update({
+            where: { id: existing.id },
+            data: {
+              icon: (user as any)?.image ?? existing.icon,
+              ...registerCodeData,
+            },
+          });
+        } else {
+          await prisma.user.create({
+            data: {
+              email,
+              icon: (user as any)?.image ?? "",
+              RegisgerCode: generateRegisterCode(),
+            },
+          });
+        }
+        await prisma.$disconnect();
+      } catch (e) {
+        console.error("[NextAuth] User upsert failed", e);
+      }
     },
   },
 });
\ No newline at end of file
diff --git a/prisma/migrations/20250908184234_new01/migration.sql b/prisma/migrations/20250908184234_new01/migration.sql
new file mode 100644
index 0000000..76ab616
--- /dev/null
+++ b/prisma/migrations/20250908184234_new01/migration.sql
@@ -0,0 +1,91 @@
+/*
+  Warnings:
+
+  - You are about to drop the `content` table. If the table is not empty, all the data it contains will be lost.
+  - You are about to drop the `handle` table. If the table is not empty, all the data it contains will be lost.
+  - You are about to drop the `registerChannel` table. If the table is not empty, all the data it contains will be lost.
+  - You are about to drop the `user` table. If the table is not empty, all the data it contains will be lost.
+
+*/
+-- DropForeignKey
+ALTER TABLE `content` DROP FOREIGN KEY `content_handleId_fkey`;
+
+-- DropForeignKey
+ALTER TABLE `handle` DROP FOREIGN KEY `handle_userId_fkey`;
+
+-- DropTable
+DROP TABLE `content`;
+
+-- DropTable
+DROP TABLE `handle`;
+
+-- DropTable
+DROP TABLE `registerChannel`;
+
+-- DropTable
+DROP TABLE `user`;
+
+-- CreateTable
+CREATE TABLE `User` (
+    `id` VARCHAR(191) NOT NULL,
+    `email` VARCHAR(191) NOT NULL,
+    `icon` VARCHAR(191) NOT NULL DEFAULT '',
+    `isApproved` BOOLEAN NOT NULL DEFAULT false,
+    `createtime` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    `RegisgerCode` VARCHAR(191) NOT NULL DEFAULT '',
+
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `RegisterChannel` (
+    `id` VARCHAR(191) NOT NULL,
+    `handle` VARCHAR(191) NOT NULL,
+    `userId` VARCHAR(191) NOT NULL,
+
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `Handle` (
+    `id` VARCHAR(191) NOT NULL,
+    `handle` VARCHAR(191) NOT NULL,
+    `constPerView` DOUBLE NOT NULL DEFAULT 1,
+
+    UNIQUE INDEX `Handle_handle_key`(`handle`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `Content` (
+    `id` VARCHAR(191) NOT NULL,
+    `subject` VARCHAR(191) NOT NULL,
+    `pubDate` DATETIME(3) NOT NULL,
+    `handleId` VARCHAR(191) NOT NULL,
+
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `_HandleToUser` (
+    `A` VARCHAR(191) NOT NULL,
+    `B` VARCHAR(191) NOT NULL,
+
+    UNIQUE INDEX `_HandleToUser_AB_unique`(`A`, `B`),
+    INDEX `_HandleToUser_B_index`(`B`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `RegisterChannel` ADD CONSTRAINT `RegisterChannel_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE `Content` ADD CONSTRAINT `Content_handleId_fkey` FOREIGN KEY (`handleId`) REFERENCES `Handle`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE `contentDayView` ADD CONSTRAINT `contentDayView_contentId_fkey` FOREIGN KEY (`contentId`) REFERENCES `Content`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE `_HandleToUser` ADD CONSTRAINT `_HandleToUser_A_fkey` FOREIGN KEY (`A`) REFERENCES `Handle`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE `_HandleToUser` ADD CONSTRAINT `_HandleToUser_B_fkey` FOREIGN KEY (`B`) REFERENCES `User`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;