diff --git a/src/controllers/FileController.ts b/src/controllers/FileController.ts
index 7fe848e..73fe7c5 100644
--- a/src/controllers/FileController.ts
+++ b/src/controllers/FileController.ts
@@ -498,28 +498,51 @@ export class SubFileController extends Controller {
       throw new Error("เกิดข้อผิดพลาดกับระบบจัดการไฟล์ เข้าถึงรายการไฟล์ได้");
     }
 
-    let used: string[] = [];
-
     let fileList = !body.replace
-      ? body.fileList.map(({ fileName, ...props }) => {
-          const dotIndex = fileName.lastIndexOf(".");
-          const originalName =
-            dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(0, dotIndex) : fileName;
-          const extension =
-            dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(dotIndex) : "";
+      ? await Promise.all(
+          body.fileList.map(async ({ fileName, ...props }) => {
+            const dotIndex = fileName.lastIndexOf(".");
+            const originalName =
+              dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(0, dotIndex) : fileName;
+            const extension =
+              dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(dotIndex) : "";
 
-          let i = 1;
-          while (list.findIndex((v) => v.fileName === fileName) !== -1 || used.includes(fileName)) {
-            fileName = `${originalName} (${i++})`;
-            if (dotIndex !== -1) fileName += extension;
-          }
+            let copyFileName = fileName;
 
-          props.author = "ไม่พบข้อมูล";
+            while (list.findIndex((v) => v.fileName === fileName) !== -1) {
+              let copy = 0;
 
-          used.push(fileName);
+              while (
+                list.findIndex(
+                  (v) =>
+                    v.fileName ===
+                    `${originalName} (${copy + 1})` + (dotIndex !== -1 ? extension : ""),
+                ) !== -1
+              ) {
+                copy++;
+              }
 
-          return { fileName: fileName, ...props };
-        })
+              copyFileName = `${originalName} (${copy + 1})` + extension;
+
+              const result = await updateFile(
+                path,
+                fileName,
+                { ...props, title: copyFileName },
+                path,
+                copyFileName,
+              );
+
+              if (!result) {
+                throw new Error("เกิดข้อผิดพลาดกับระบบจัดการไฟล์ ไม่สามารถแก้ไขไฟล์ได้");
+              }
+              break;
+            }
+
+            props.author = "ไม่พบข้อมูล";
+
+            return { fileName: fileName, ...props };
+          }),
+        )
       : body.fileList;
 
     const map = fileList.map(async ({ fileName, ...props }) => [
diff --git a/src/controllers/StorageEmployeeController.ts b/src/controllers/StorageEmployeeController.ts
index ec08bca..acb6d2e 100644
--- a/src/controllers/StorageEmployeeController.ts
+++ b/src/controllers/StorageEmployeeController.ts
@@ -179,28 +179,51 @@ export class DocumentEmployeeController extends Controller {
       throw new Error("เกิดข้อผิดพลาดกับระบบจัดการไฟล์ เข้าถึงรายการไฟล์ได้");
     }
 
-    let used: string[] = [];
-
     let fileList = !body.replace
-      ? body.fileList.map(({ fileName, ...props }) => {
-          const dotIndex = fileName.lastIndexOf(".");
-          const originalName =
-            dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(0, dotIndex) : fileName;
-          const extension =
-            dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(dotIndex) : "";
+      ? await Promise.all(
+          body.fileList.map(async ({ fileName, ...props }) => {
+            const dotIndex = fileName.lastIndexOf(".");
+            const originalName =
+              dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(0, dotIndex) : fileName;
+            const extension =
+              dotIndex !== -1 && !fileName.startsWith(".") ? fileName.slice(dotIndex) : "";
 
-          let i = 1;
-          while (list.findIndex((v) => v.fileName === fileName) !== -1 || used.includes(fileName)) {
-            fileName = `${originalName} (${i++})`;
-            if (dotIndex !== -1) fileName += extension;
-          }
+            let copyFileName = fileName;
 
-          props.author = "ไม่พบข้อมูล";
+            while (list.findIndex((v) => v.fileName === fileName) !== -1) {
+              let copy = 0;
 
-          used.push(fileName);
+              while (
+                list.findIndex(
+                  (v) =>
+                    v.fileName ===
+                    `${originalName} (${copy + 1})` + (dotIndex !== -1 ? extension : ""),
+                ) !== -1
+              ) {
+                copy++;
+              }
 
-          return { fileName: fileName, ...props };
-        })
+              copyFileName = `${originalName} (${copy + 1})` + extension;
+
+              const result = await updateFile(
+                path,
+                fileName,
+                { ...props, title: copyFileName },
+                path,
+                copyFileName,
+              );
+
+              if (!result) {
+                throw new Error("เกิดข้อผิดพลาดกับระบบจัดการไฟล์ ไม่สามารถแก้ไขไฟล์ได้");
+              }
+              break;
+            }
+
+            props.author = "ไม่พบข้อมูล";
+
+            return { fileName: fileName, ...props };
+          }),
+        )
       : body.fileList;
 
     const map = fileList.map(async ({ fileName, ...props }) => [