diff --git a/frontend/lib/registry/components/simple-repeater-table/SimpleRepeaterTableConfigPanel.tsx b/frontend/lib/registry/components/simple-repeater-table/SimpleRepeaterTableConfigPanel.tsx
index f0bdd7ac..396d831f 100644
--- a/frontend/lib/registry/components/simple-repeater-table/SimpleRepeaterTableConfigPanel.tsx
+++ b/frontend/lib/registry/components/simple-repeater-table/SimpleRepeaterTableConfigPanel.tsx
@@ -585,21 +585,29 @@ export function SimpleRepeaterTableConfigPanel({
         <div className="space-y-2">
           <Label className="text-xs sm:text-sm">소스 테이블</Label>
           <Select
-            value={localConfig.initialDataConfig?.sourceTable || ""}
-            onValueChange={(value) =>
-              updateConfig({
-                initialDataConfig: {
-                  ...localConfig.initialDataConfig,
-                  sourceTable: value,
-                },
-              })
-            }
+            value={localConfig.initialDataConfig?.sourceTable || "__none__"}
+            onValueChange={(value) => {
+              if (value === "__none__") {
+                // 선택 안 함: initialDataConfig 초기화
+                updateConfig({
+                  initialDataConfig: undefined,
+                });
+              } else {
+                updateConfig({
+                  initialDataConfig: {
+                    ...localConfig.initialDataConfig,
+                    sourceTable: value,
+                  },
+                });
+              }
+            }}
             disabled={isLoadingTables}
           >
             <SelectTrigger className="h-10 text-sm w-full">
-              <SelectValue placeholder={isLoadingTables ? "로딩 중..." : "데이터를 가져올 테이블 선택"} />
+              <SelectValue placeholder={isLoadingTables ? "로딩 중..." : "선택 안 함 (빈 테이블로 시작)"} />
             </SelectTrigger>
             <SelectContent>
+              <SelectItem value="__none__">선택 안 함 (빈 테이블로 시작)</SelectItem>
               {allTables.map((table) => (
                 <SelectItem key={table.tableName} value={table.tableName}>
                   {table.displayName || table.tableName}
@@ -608,7 +616,7 @@ export function SimpleRepeaterTableConfigPanel({
             </SelectContent>
           </Select>
           <p className="text-xs text-muted-foreground">
-            초기 데이터를 조회할 테이블 (예: sales_order_mng)
+            선택 안 하면 빈 테이블로 시작합니다 (새 데이터 입력용)
           </p>
         </div>
 
@@ -1079,48 +1087,71 @@ export function SimpleRepeaterTableConfigPanel({
                   )}
                 </div>
 
-                {/* 🆕 데이터 타겟 설정 (어디에 저장할지) */}
-                <div className="space-y-3 border-t pt-4">
-                  <div className="flex items-center gap-2">
-                    <div className="h-1 w-1 rounded-full bg-green-500"></div>
-                    <Label className="text-xs font-semibold text-green-600">데이터 타겟 설정 (어디에 저장?)</Label>
+                {/* 🆕 데이터 타겟 설정 - 부모-자식 모드면 숨김 */}
+                {localConfig.parentChildConfig?.enabled ? (
+                  // 부모-자식 모드: 간단한 안내만 표시
+                  <div className="border-t pt-4">
+                    <div className="p-3 bg-green-50 dark:bg-green-950 rounded-md border border-green-200 dark:border-green-800">
+                      <p className="text-xs text-muted-foreground">
+                        <strong className="text-green-700 dark:text-green-400">부모-자식 모드</strong>
+                        <br />
+                        → <code className="bg-green-100 dark:bg-green-900 px-1 rounded">{localConfig.parentChildConfig.childTable || "자식 테이블"}.{col.field || "필드명"}</code> 에 저장
+                      </p>
+                    </div>
                   </div>
+                ) : (
+                  // 일반 모드: 타겟 설정 (선택사항)
+                  <div className="space-y-3 border-t pt-4">
+                    <div className="flex items-center gap-2">
+                      <div className="h-1 w-1 rounded-full bg-gray-400"></div>
+                      <Label className="text-xs font-semibold text-muted-foreground">저장 설정 (선택사항)</Label>
+                    </div>
 
-                  <div className="space-y-2">
-                    <Label className="text-xs">타겟 테이블</Label>
-                    <Select
-                      value={col.targetConfig?.targetTable || ""}
-                      onValueChange={(value) => updateColumn(index, {
-                        targetConfig: {
-                          ...col.targetConfig,
-                          targetTable: value,
-                          saveEnabled: true,
-                        }
-                      })}
-                    >
-                      <SelectTrigger className="h-8 text-xs sm:h-10 sm:text-sm">
-                        <SelectValue placeholder="저장할 테이블 선택" />
-                      </SelectTrigger>
-                      <SelectContent>
-                        {allTables.map((table) => (
-                          <SelectItem key={table.tableName} value={table.tableName}>
-                            {table.displayName || table.tableName}
-                          </SelectItem>
-                        ))}
-                      </SelectContent>
-                    </Select>
-                    <p className="text-xs text-muted-foreground">
-                      이 컬럼의 값을 저장할 테이블
-                    </p>
-                  </div>
+                    <div className="space-y-2">
+                      <Label className="text-xs">타겟 테이블</Label>
+                      <Select
+                        value={col.targetConfig?.targetTable && col.targetConfig.targetTable !== "" ? col.targetConfig.targetTable : "__none__"}
+                        onValueChange={(value) => {
+                          if (value === "__none__") {
+                            // 선택 안 함: targetConfig 초기화
+                            updateColumn(index, {
+                              targetConfig: undefined
+                            });
+                          } else {
+                            // 테이블 선택: targetConfig 설정
+                            updateColumn(index, {
+                              targetConfig: {
+                                targetTable: value,
+                                targetColumn: col.field || "",
+                                saveEnabled: true,
+                              }
+                            });
+                          }
+                        }}
+                      >
+                        <SelectTrigger className="h-8 text-xs sm:h-10 sm:text-sm">
+                          <SelectValue placeholder="선택 안 함" />
+                        </SelectTrigger>
+                        <SelectContent>
+                          <SelectItem value="__none__">선택 안 함</SelectItem>
+                          {allTables.map((table) => (
+                            <SelectItem key={table.tableName} value={table.tableName}>
+                              {table.displayName || table.tableName}
+                            </SelectItem>
+                          ))}
+                        </SelectContent>
+                      </Select>
+                      <p className="text-xs text-muted-foreground">
+                        선택 안 하면 이 컬럼은 저장되지 않습니다
+                      </p>
+                    </div>
 
-                  {col.targetConfig?.targetTable && (
-                    <>
+                    {col.targetConfig?.targetTable && col.targetConfig.targetTable !== "" && (
                       <div className="space-y-2">
                         <Label className="text-xs">타겟 컬럼</Label>
                         <SourceColumnSelector
                           sourceTable={col.targetConfig.targetTable}
-                          value={col.targetConfig.targetColumn || ""}
+                          value={col.targetConfig.targetColumn || col.field || ""}
                           onChange={(value) => updateColumn(index, {
                             targetConfig: {
                               ...col.targetConfig,
@@ -1129,37 +1160,10 @@ export function SimpleRepeaterTableConfigPanel({
                           })}
                           showTableName={true}
                         />
-                        <p className="text-xs text-muted-foreground">
-                          저장할 컬럼명
-                        </p>
                       </div>
-
-                      <div className="space-y-2">
-                        <div className="flex items-center justify-between">
-                          <Label className="text-xs">저장 활성화</Label>
-                          <Switch
-                            checked={col.targetConfig.saveEnabled ?? true}
-                            onCheckedChange={(checked) => updateColumn(index, {
-                              targetConfig: {
-                                ...col.targetConfig,
-                                saveEnabled: checked
-                              }
-                            })}
-                          />
-                        </div>
-                        <p className="text-xs text-muted-foreground">
-                          비활성화 시 저장하지 않음 (표시 전용)
-                        </p>
-                      </div>
-
-                      {col.targetConfig.targetTable && col.targetConfig.targetColumn && (
-                        <div className="p-2 bg-green-50 dark:bg-green-950 rounded text-[10px] font-mono border border-green-200 dark:border-green-800">
-                          저장: {col.targetConfig.targetTable}.{col.targetConfig.targetColumn}
-                        </div>
-                      )}
-                    </>
-                  )}
-                </div>
+                    )}
+                  </div>
+                )}
 
                 {/* 편집 가능 여부 */}
                 <div className="space-y-2">