diff --git a/package.json b/package.json
index 8076536..a1dfce0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.52.0",
+  "version": "1.52.1",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {
diff --git a/src/lib/auth.ts b/src/lib/auth.ts
index 9d7c243..ba76f28 100644
--- a/src/lib/auth.ts
+++ b/src/lib/auth.ts
@@ -113,14 +113,18 @@ export const authOptions: NextAuthOptions = {
       if (user) {
         token.id = user.id;
       }
-      // Refresh user ID from DB to handle stale sessions after DB changes
-      if (token.email) {
-        const dbUser = await prisma.user.findUnique({
-          where: { email: token.email as string },
-          select: { id: true }
-        });
-        if (dbUser) {
-          token.id = dbUser.id;
+      // Refresh user ID from DB periodically (not on every request)
+      if (token.email && !token.id) {
+        try {
+          const dbUser = await prisma.user.findUnique({
+            where: { email: token.email as string },
+            select: { id: true }
+          });
+          if (dbUser) {
+            token.id = dbUser.id;
+          }
+        } catch (e) {
+          console.error("[AUTH] JWT callback DB lookup failed:", e);
         }
       }
       return token;