diff --git a/README.md b/README.md
index 602cdd0..529ee1d 100644
--- a/README.md
+++ b/README.md
@@ -150,4 +150,22 @@ INSERT INTO referral_levels (id, name, min_invitees, reward_percentage) VALUES
 ('bronze', 'BRONZE', 0, 15),
 ('silver', 'SILVER', 6, 18),
 ('gold', 'GOLD', 16, 22),
-('platinum', 'PLATINUM', 50, 25);
\ No newline at end of file
+('platinum', 'PLATINUM', 50, 25);
+
+-----------------
+Скрипт,для нумерации для уже сохданных файлов
+WITH max_id AS (
+SELECT COALESCE(MAX(support_id), 0) as max_val FROM file_entities
+),
+-- Нумеруем только NULL записи, начиная с max_val + 1
+numbered AS (
+SELECT
+f.id,
+(SELECT max_val FROM max_id) + ROW_NUMBER() OVER (ORDER BY f.created_at, f.id) as new_support_id
+FROM file_entities f
+WHERE f.support_id IS NULL
+)
+UPDATE file_entities
+SET support_id = numbered.new_support_id
+FROM numbered
+WHERE file_entities.id = numbered.id;
\ No newline at end of file
diff --git a/src/main/java/ru/soune/nocopy/entity/file/FileEntity.java b/src/main/java/ru/soune/nocopy/entity/file/FileEntity.java
index 2d8d781..a7b74b6 100644
--- a/src/main/java/ru/soune/nocopy/entity/file/FileEntity.java
+++ b/src/main/java/ru/soune/nocopy/entity/file/FileEntity.java
@@ -8,6 +8,7 @@ import org.springframework.data.annotation.LastModifiedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
 import java.time.LocalDateTime;
+import java.util.concurrent.atomic.AtomicInteger;
 
 @Data
 @Builder
@@ -17,6 +18,9 @@ import java.time.LocalDateTime;
 @Table(name = "file_entities")
 @EntityListeners(AuditingEntityListener.class)
 public class FileEntity {
+
+    private static AtomicInteger supportIdCounter = new AtomicInteger(0);
+
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
     private String id;
@@ -83,6 +87,10 @@ public class FileEntity {
 
     @PrePersist
     public void prePersist() {
+        if (this.supportId == null) {
+            this.supportId = supportIdCounter.incrementAndGet();
+        }
+
         if (this.status == null) {
             this.status = FileStatus.ACTIVE;
         }
@@ -101,4 +109,8 @@ public class FileEntity {
     public void preUpdate() {
         this.updatedAt = LocalDateTime.now();
     }
+
+    public static void initializeCounter(int maxId) {
+        supportIdCounter = new AtomicInteger(maxId);
+    }
 }
diff --git a/src/main/java/ru/soune/nocopy/entity/file/SupportIdInitializer.java b/src/main/java/ru/soune/nocopy/entity/file/SupportIdInitializer.java
new file mode 100644
index 0000000..8e8d8d7
--- /dev/null
+++ b/src/main/java/ru/soune/nocopy/entity/file/SupportIdInitializer.java
@@ -0,0 +1,21 @@
+package ru.soune.nocopy.entity.file;
+
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.repository.FileEntityRepository;
+
+@Component
+public class SupportIdInitializer {
+
+    @Autowired
+    private FileEntityRepository fileRepository;
+
+    @PostConstruct
+    public void init() {
+        Integer maxId = fileRepository.findMaxSupportId();
+        if (maxId != null) {
+            FileEntity.initializeCounter(maxId);
+        }
+    }
+}
diff --git a/src/main/java/ru/soune/nocopy/repository/FileEntityRepository.java b/src/main/java/ru/soune/nocopy/repository/FileEntityRepository.java
index c201496..4398a51 100644
--- a/src/main/java/ru/soune/nocopy/repository/FileEntityRepository.java
+++ b/src/main/java/ru/soune/nocopy/repository/FileEntityRepository.java
@@ -58,4 +58,7 @@ public interface FileEntityRepository extends JpaRepository<FileEntity, String>
 
     @Query("SELECT f FROM FileEntity f WHERE f.mimeType = :mimeType")
     List<FileEntity> findByMimeType(String mimeType);
+
+    @Query("SELECT MAX(f.supportId) FROM FileEntity f")
+    Integer findMaxSupportId();
 }