diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/dto/ProjectGroupDTO.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/dto/ProjectGroupDTO.java
index 212bd84e..6604ea7f 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/dto/ProjectGroupDTO.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/dto/ProjectGroupDTO.java
@@ -14,7 +14,7 @@ import java.util.List;
 public class ProjectGroupDTO extends BaseDTO {
 
     //    @NotNull(message = "租户ID不能为空")
-    private Long tenantCode;
+    private String tenantCode;
 
     @NotNull(message = "项目组类型不能为空")
     private ProjectGroupTypeEnum type;
diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/entity/ProjectGroup.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/entity/ProjectGroup.java
index 9f7e4258..f94e190c 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/entity/ProjectGroup.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/entity/ProjectGroup.java
@@ -31,7 +31,7 @@ public class ProjectGroup extends Entity<Long> {
      * 租户ID
      */
     @Column(name = "tenant_code")
-    private Long tenantCode;
+    private String tenantCode;
 
     @Column(name = "type", nullable = false)
     @Enumerated(EnumType.STRING)