update searchUser resolver

@@ -9,18 +9,18 @@ export default {
           where: {
             OR: [
               {
-                name_contains: term,
+                name: { contains: term },
               },
               {
-                email_contains: term,
+                email: { contains: term },
               },
             ],
           },
         });
       } catch (error) {
         console.log(error);
+        return null;
       }
-      return null;
     },
   },
 };