diff --git a/server/model/sys_authority.go b/server/model/sys_authority.go
index 6e55b07e9c9a714e6daa937d9dfeb7409f09b92a..0c1af2efffbadac0962e9e4d806308bddfb76738 100644
--- a/server/model/sys_authority.go
+++ b/server/model/sys_authority.go
@@ -8,7 +8,7 @@ type SysAuthority struct {
 	CreatedAt       time.Time
 	UpdatedAt       time.Time
 	DeletedAt       *time.Time     `sql:"index"`
-	AuthorityId     string         `json:"authorityId" gorm:"not null;unique;primary_key" gorm:"comment:'角色ID'"`
+	AuthorityId     string         `json:"authorityId" gorm:"not null;unique;primary_key;comment:'角色ID';type:varchar(100)"`
 	AuthorityName   string         `json:"authorityName" gorm:"comment:'角色名'"`
 	ParentId        string         `json:"parentId" gorm:"comment:'父角色ID'"`
 	DataAuthorityId []SysAuthority `json:"dataAuthorityId" gorm:"many2many:sys_data_authority_id;association_jointable_foreignkey:data_authority_id"`