2 files changed, 32 insertions, 32 deletions
diff --git a/lib/docu-list-rule/document-class/table/document-class-add-dialog.tsx b/lib/docu-list-rule/document-class/table/document-class-add-dialog.tsx
index e2cfc39e..6e8ac686 100644
--- a/lib/docu-list-rule/document-class/table/document-class-add-dialog.tsx
+++ b/lib/docu-list-rule/document-class/table/document-class-add-dialog.tsx
@@ -32,7 +32,10 @@ import { createDocumentClassCodeGroup } from "@/lib/docu-list-rule/document-clas
 import { useParams } from "next/navigation"
 
 const createDocumentClassSchema = z.object({
-  value: z.string().min(1, "Value는 필수입니다."),
+  value: z.string()
+    .min(1, "Value는 필수입니다.")
+    .max(1, "Value는 1자리만 입력 가능합니다. (예: A, B, 0, 1)")
+    .regex(/^[A-Z0-9]$/, "대문자 알파벳 또는 숫자 1자리만 입력 가능합니다. (예: A, B, 0, 1)"),
   description: z.string().optional(),
 })
 
@@ -117,8 +120,17 @@ export function DocumentClassAddDialog({
                 <FormItem>
                   <FormLabel>Value *</FormLabel>
                   <FormControl>
-                    <Input {...field} placeholder="예: A Class" />
+                    <Input 
+                      {...field} 
+                      placeholder="예: A" 
+                      maxLength={1}
+                      className="uppercase"
+                      onChange={(e) => field.onChange(e.target.value.toUpperCase())}
+                    />
                   </FormControl>
+                  <div className="text-xs text-muted-foreground mt-1">
+                    💡 대문자 알파벳 또는 숫자 1자리 (A, B, 0, 1 등) - API DOC_CLASS로 전송됩니다
+                  </div>
                   <FormMessage />
                 </FormItem>
               )}
@@ -131,8 +143,11 @@ export function DocumentClassAddDialog({
                 <FormItem>
                   <FormLabel>Description</FormLabel>
                   <FormControl>
-                    <Input {...field} placeholder="예: A Class Description (선택사항)" />
+                    <Input {...field} placeholder="예: General Documents (선택사항)" />
                   </FormControl>
+                  <div className="text-xs text-muted-foreground mt-1">
+                    선택사항: Document Class에 대한 추가 설명
+                  </div>
                   <FormMessage />
                 </FormItem>
               )}
diff --git a/lib/docu-list-rule/document-class/table/document-class-table-columns.tsx b/lib/docu-list-rule/document-class/table/document-class-table-columns.tsx
index 8c391def..9d8d91e0 100644
--- a/lib/docu-list-rule/document-class/table/document-class-table-columns.tsx
+++ b/lib/docu-list-rule/document-class/table/document-class-table-columns.tsx
@@ -107,43 +107,28 @@ export function getColumns({ setRowAction, onDetail }: GetColumnsProps): ColumnD
   // ----------------------------------------------------------------
   const dataColumns: ColumnDef<typeof documentClasses.$inferSelect>[] = [
     {
-      accessorKey: "code",
-      enableResizing: true,
-      header: ({ column }) => (
-        <DataTableColumnHeaderSimple column={column} title="코드" />
-      ),
-      meta: {
-        excelHeader: "코드",
-        type: "text",
-      },
-      cell: ({ row }) => row.getValue("code") ?? "",
-      minSize: 80
-    },
-    {
       accessorKey: "value",
       enableResizing: true,
       header: ({ column }) => (
-        <DataTableColumnHeaderSimple column={column} title="값" />
+        <DataTableColumnHeaderSimple column={column} title="클래스" />
       ),
       meta: {
-        excelHeader: "값",
+        excelHeader: "클래스",
         type: "text",
       },
-      cell: ({ row }) => row.getValue("value") ?? "",
-      minSize: 80
-    },
-    {
-      accessorKey: "description",
-      enableResizing: true,
-      header: ({ column }) => (
-        <DataTableColumnHeaderSimple column={column} title="설명" />
-      ),
-      meta: {
-        excelHeader: "설명",
-        type: "text",
+      cell: ({ row }) => {
+        const value = row.getValue("value") as string
+        const description = row.getValue("description") as string
+        return (
+          <div className="flex items-center gap-2">
+            <span className="font-mono font-bold text-lg">{value}</span>
+            {description && (
+              <span className="text-muted-foreground text-sm">- {description}</span>
+            )}
+          </div>
+        )
       },
-      cell: ({ row }) => row.getValue("description") ?? "",
-      minSize: 80
+      minSize: 250
     },
 
     {