diff --git a/src/main/java/com/gunshi/project/xyt/controller/ResProjectImgController.java b/src/main/java/com/gunshi/project/xyt/controller/ResProjectImgController.java
index d11a688..2537b83 100644
--- a/src/main/java/com/gunshi/project/xyt/controller/ResProjectImgController.java
+++ b/src/main/java/com/gunshi/project/xyt/controller/ResProjectImgController.java
@@ -1,5 +1,6 @@
 package com.gunshi.project.xyt.controller;
 
+import com.baomidou.mybatisplus.core.toolkit.IdWorker;
 import com.gunshi.core.result.R;
 import com.gunshi.project.xyt.entity.so.ResCodeSo;
 import com.gunshi.project.xyt.model.ResProjectImg;
@@ -46,6 +47,7 @@ public class ResProjectImgController extends AbstractCommonFileController{
         if (Objects.isNull(resService.getById(dto.getResCode()))){
             throw new RuntimeException("当前水库不存在");
         }
+        dto.setId(IdWorker.getId());
         dto.setModitime(new Date());
         boolean result = service.save(dto);
         if (result){
diff --git a/src/main/java/com/gunshi/project/xyt/model/ResProjectImg.java b/src/main/java/com/gunshi/project/xyt/model/ResProjectImg.java
index 49c9229..caaab07 100644
--- a/src/main/java/com/gunshi/project/xyt/model/ResProjectImg.java
+++ b/src/main/java/com/gunshi/project/xyt/model/ResProjectImg.java
@@ -6,6 +6,8 @@ import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import com.gunshi.core.dateformat.DateFormatString;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotBlank;
@@ -37,6 +39,7 @@ public class ResProjectImg implements Serializable {
         @Schema(description="主键")
         // @Size(max = 0,message = "主键最大长度要小于 0")
         @NotNull(message = "主键不能为空")
+        @JsonSerialize(using = ToStringSerializer.class)
         private Long id;
 
         /**
diff --git a/src/main/java/com/gunshi/project/xyt/service/FileAssociationsService.java b/src/main/java/com/gunshi/project/xyt/service/FileAssociationsService.java
index ea534d0..da303ed 100644
--- a/src/main/java/com/gunshi/project/xyt/service/FileAssociationsService.java
+++ b/src/main/java/com/gunshi/project/xyt/service/FileAssociationsService.java
@@ -55,7 +55,7 @@ public class FileAssociationsService extends ServiceImpl<FileAssociationsMapper,
 
                 // 删除
                 if (this.lambdaUpdate()
-                        .set(FileAssociations::getDel, 1)
+                        .set(FileAssociations::getDel, "1")
                         .eq(FileAssociations::getTableName, tableName)
                         .eq(FileAssociations::getBusinessId, businessId)
                         .in(FileAssociations::getFileId, fileIds)