diff --git a/XCode/Code/EntityBuilder.cs b/XCode/Code/EntityBuilder.cs
index 4a4e1cf4b..126ce8be9 100644
--- a/XCode/Code/EntityBuilder.cs
+++ b/XCode/Code/EntityBuilder.cs
@@ -1685,7 +1685,7 @@ protected virtual Boolean BuildExtendFind(IDataColumn[] columns, Int32 index)
             foreach (var dc in columns)
             {
                 if (dc.DataType != null && dc.DataType.IsInt())
-                    WriteLine("if ({0} <= 0) return null;", dc.CamelName());
+                    WriteLine("if ({0} < 0) return null;", dc.CamelName());
                 else if (dc.DataType == typeof(String))
                 {
                     if (nullable && dc.Nullable)
@@ -1787,7 +1787,7 @@ protected virtual Boolean BuildExtendFindAll(IDataColumn[] columns, Int32 index)
             foreach (var dc in columns)
             {
                 if (dc.DataType != null && dc.DataType.IsInt())
-                    WriteLine("if ({0} <= 0) return [];", dc.CamelName(), ClassName);
+                    WriteLine("if ({0} < 0) return [];", dc.CamelName(), ClassName);
                 else if (dc.DataType == typeof(String))
                 {
                     if (Option.Nullable && dc.Nullable)
diff --git a/XCode/Membership/xcodetool.exe b/XCode/Membership/xcodetool.exe
index 73be8fc7b..48abd79b2 100644
Binary files a/XCode/Membership/xcodetool.exe and b/XCode/Membership/xcodetool.exe differ
diff --git "a/XUnitTest.XCode/Code/Entity/\345\234\260\345\214\272.cs" "b/XUnitTest.XCode/Code/Entity/\345\234\260\345\214\272.cs"
index ed70b3698..c51b90b02 100644
--- "a/XUnitTest.XCode/Code/Entity/\345\234\260\345\214\272.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\345\234\260\345\214\272.cs"
@@ -266,7 +266,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Area? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
@@ -282,7 +282,7 @@ public override Object? this[String name]
     /// <returns>实体列表</returns>
     public static IList<Area> FindAllByParentID(Int32 parentId)
     {
-        if (parentId <= 0) return [];
+        if (parentId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.ParentID == parentId);
diff --git "a/XUnitTest.XCode/Code/Entity/\345\255\227\345\205\270\345\217\202\346\225\260.cs" "b/XUnitTest.XCode/Code/Entity/\345\255\227\345\205\270\345\217\202\346\225\260.cs"
index bd3a33f4f..598a4d0ac 100644
--- "a/XUnitTest.XCode/Code/Entity/\345\255\227\345\205\270\345\217\202\346\225\260.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\345\255\227\345\205\270\345\217\202\346\225\260.cs"
@@ -338,7 +338,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Parameter? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
@@ -356,7 +356,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Parameter? FindByUserIDAndCategoryAndName(Int32 userId, String? category, String? name)
     {
-        if (userId <= 0) return null;
+        if (userId < 0) return null;
         if (category == null) return null;
         if (name == null) return null;
 
@@ -371,7 +371,7 @@ public override Object? this[String name]
     /// <returns>实体列表</returns>
     public static IList<Parameter> FindAllByUserID(Int32 userId)
     {
-        if (userId <= 0) return [];
+        if (userId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.UserID == userId);
@@ -385,7 +385,7 @@ public static IList<Parameter> FindAllByUserID(Int32 userId)
     /// <returns>实体列表</returns>
     public static IList<Parameter> FindAllByUserIDAndCategory(Int32 userId, String? category)
     {
-        if (userId <= 0) return [];
+        if (userId < 0) return [];
         if (category == null) return [];
 
         // 实体缓存
diff --git "a/XUnitTest.XCode/Code/Entity/\346\210\220\345\221\230\346\227\245\345\277\227.cs" "b/XUnitTest.XCode/Code/Entity/\346\210\220\345\221\230\346\227\245\345\277\227.cs"
index 56477b2cd..4be3bd788 100644
--- "a/XUnitTest.XCode/Code/Entity/\346\210\220\345\221\230\346\227\245\345\277\227.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\346\210\220\345\221\230\346\227\245\345\277\227.cs"
@@ -289,7 +289,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static MemberLog? FindByID(Int64 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         return Find(_.ID == id);
     }
@@ -313,7 +313,7 @@ public static IList<MemberLog> FindAllByActionAndCategory(String? action, String
     public static IList<MemberLog> FindAllByCategoryAndLinkID(String? category, Int32 linkId)
     {
         if (category == null) return [];
-        if (linkId <= 0) return [];
+        if (linkId < 0) return [];
 
         return FindAll(_.Category == category & _.LinkID == linkId);
     }
@@ -323,7 +323,7 @@ public static IList<MemberLog> FindAllByCategoryAndLinkID(String? category, Int3
     /// <returns>实体列表</returns>
     public static IList<MemberLog> FindAllByCreateUserID(Int32 createUserId)
     {
-        if (createUserId <= 0) return [];
+        if (createUserId < 0) return [];
 
         return FindAll(_.CreateUserID == createUserId);
     }
diff --git "a/XUnitTest.XCode/Code/Entity/\346\227\245\345\277\227.cs" "b/XUnitTest.XCode/Code/Entity/\346\227\245\345\277\227.cs"
index 0b3e09dcd..31c231ea2 100644
--- "a/XUnitTest.XCode/Code/Entity/\346\227\245\345\277\227.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\346\227\245\345\277\227.cs"
@@ -280,7 +280,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Log? FindByID(Int64 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         return Find(_.ID == id);
     }
@@ -304,7 +304,7 @@ public static IList<Log> FindAllByActionAndCategory(String? action, String? cate
     public static IList<Log> FindAllByCategoryAndLinkID(String? category, Int32 linkId)
     {
         if (category == null) return [];
-        if (linkId <= 0) return [];
+        if (linkId < 0) return [];
 
         return FindAll(_.Category == category & _.LinkID == linkId);
     }
@@ -314,7 +314,7 @@ public static IList<Log> FindAllByCategoryAndLinkID(String? category, Int32 link
     /// <returns>实体列表</returns>
     public static IList<Log> FindAllByCreateUserID(Int32 createUserId)
     {
-        if (createUserId <= 0) return [];
+        if (createUserId < 0) return [];
 
         return FindAll(_.CreateUserID == createUserId);
     }
diff --git "a/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267.cs" "b/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267.cs"
index 7548f2d6b..9a105ce6d 100644
--- "a/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267.cs"
@@ -475,7 +475,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static User? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
@@ -546,7 +546,7 @@ public static IList<User> FindAllByCode(String? code)
     /// <returns>实体列表</returns>
     public static IList<User> FindAllByRoleID(Int32 roleId)
     {
-        if (roleId <= 0) return [];
+        if (roleId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.RoleID == roleId);
diff --git "a/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267\346\227\245\345\277\227.cs" "b/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267\346\227\245\345\277\227.cs"
index 68acc2df0..8f7f32a06 100644
--- "a/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267\346\227\245\345\277\227.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\347\224\250\346\210\267\346\227\245\345\277\227.cs"
@@ -291,7 +291,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static UserLog? FindByID(Int64 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         return Find(_.ID == id);
     }
@@ -315,7 +315,7 @@ public static IList<UserLog> FindAllByActionAndCategory(String? action, String?
     public static IList<UserLog> FindAllByCategoryAndLinkID(String? category, Int32 linkId)
     {
         if (category == null) return [];
-        if (linkId <= 0) return [];
+        if (linkId < 0) return [];
 
         return FindAll(_.Category == category & _.LinkID == linkId);
     }
@@ -325,7 +325,7 @@ public static IList<UserLog> FindAllByCategoryAndLinkID(String? category, Int32
     /// <returns>实体列表</returns>
     public static IList<UserLog> FindAllByCreateUserID(Int32 createUserId)
     {
-        if (createUserId <= 0) return [];
+        if (createUserId < 0) return [];
 
         return FindAll(_.CreateUserID == createUserId);
     }
diff --git "a/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267.cs" "b/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267.cs"
index aace8e214..76e5f87f2 100644
--- "a/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267.cs"
@@ -256,7 +256,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Tenant? FindById(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Id == id);
diff --git "a/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267\345\205\263\347\263\273.cs" "b/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267\345\205\263\347\263\273.cs"
index eb7996413..1da2fa42e 100644
--- "a/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267\345\205\263\347\263\273.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\347\247\237\346\210\267\345\205\263\347\263\273.cs"
@@ -229,7 +229,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static TenantUser? FindById(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Id == id);
@@ -246,8 +246,8 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static TenantUser? FindByTenantIdAndUserId(Int32 tenantId, Int32 userId)
     {
-        if (tenantId <= 0) return null;
-        if (userId <= 0) return null;
+        if (tenantId < 0) return null;
+        if (userId < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.TenantId == tenantId && e.UserId == userId);
@@ -260,7 +260,7 @@ public override Object? this[String name]
     /// <returns>实体列表</returns>
     public static IList<TenantUser> FindAllByTenantId(Int32 tenantId)
     {
-        if (tenantId <= 0) return [];
+        if (tenantId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.TenantId == tenantId);
@@ -273,7 +273,7 @@ public static IList<TenantUser> FindAllByTenantId(Int32 tenantId)
     /// <returns>实体列表</returns>
     public static IList<TenantUser> FindAllByUserId(Int32 userId)
     {
-        if (userId <= 0) return [];
+        if (userId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.UserId == userId);
diff --git "a/XUnitTest.XCode/Code/Entity/\350\217\234\345\215\225.cs" "b/XUnitTest.XCode/Code/Entity/\350\217\234\345\215\225.cs"
index 85a9075ad..e6d88712e 100644
--- "a/XUnitTest.XCode/Code/Entity/\350\217\234\345\215\225.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\350\217\234\345\215\225.cs"
@@ -373,7 +373,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Menu? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
@@ -403,7 +403,7 @@ public static IList<Menu> FindAllByName(String name)
     /// <returns>实体对象</returns>
     public static Menu? FindByParentIDAndName(Int32 parentId, String name)
     {
-        if (parentId <= 0) return null;
+        if (parentId < 0) return null;
         if (name.IsNullOrEmpty()) return null;
 
         // 实体缓存
@@ -417,7 +417,7 @@ public static IList<Menu> FindAllByName(String name)
     /// <returns>实体列表</returns>
     public static IList<Menu> FindAllByParentID(Int32 parentId)
     {
-        if (parentId <= 0) return [];
+        if (parentId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.ParentID == parentId);
diff --git "a/XUnitTest.XCode/Code/Entity/\350\247\222\350\211\262.cs" "b/XUnitTest.XCode/Code/Entity/\350\247\222\350\211\262.cs"
index fcf374f7e..33dc7548f 100644
--- "a/XUnitTest.XCode/Code/Entity/\350\247\222\350\211\262.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\350\247\222\350\211\262.cs"
@@ -306,7 +306,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Role? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
diff --git "a/XUnitTest.XCode/Code/Entity/\351\203\250\351\227\250.cs" "b/XUnitTest.XCode/Code/Entity/\351\203\250\351\227\250.cs"
index 462513802..163f0bce9 100644
--- "a/XUnitTest.XCode/Code/Entity/\351\203\250\351\227\250.cs"
+++ "b/XUnitTest.XCode/Code/Entity/\351\203\250\351\227\250.cs"
@@ -381,7 +381,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Department? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
@@ -411,7 +411,7 @@ public static IList<Department> FindAllByName(String name)
     /// <returns>实体列表</returns>
     public static IList<Department> FindAllByParentIDAndName(Int32 parentId, String name)
     {
-        if (parentId <= 0) return [];
+        if (parentId < 0) return [];
         if (name.IsNullOrEmpty()) return [];
 
         // 实体缓存
@@ -438,7 +438,7 @@ public static IList<Department> FindAllByCode(String? code)
     /// <returns>实体列表</returns>
     public static IList<Department> FindAllByTenantId(Int32 tenantId)
     {
-        if (tenantId <= 0) return [];
+        if (tenantId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.TenantId == tenantId);
diff --git a/XUnitTest.XCode/Code/entity_log_normal.cs b/XUnitTest.XCode/Code/entity_log_normal.cs
index e754978c1..f0e7efbf6 100644
--- a/XUnitTest.XCode/Code/entity_log_normal.cs
+++ b/XUnitTest.XCode/Code/entity_log_normal.cs
@@ -248,7 +248,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static Log? FindByID(Int64 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         return Find(_.ID == id);
     }
@@ -272,7 +272,7 @@ public static IList<Log> FindAllByActionAndCategory(String action, String? categ
     public static IList<Log> FindAllByCategoryAndLinkID(String? category, Int64 linkId)
     {
         if (category == null) return [];
-        if (linkId <= 0) return [];
+        if (linkId < 0) return [];
 
         return FindAll(_.Category == category & _.LinkID == linkId);
     }
@@ -282,7 +282,7 @@ public static IList<Log> FindAllByCategoryAndLinkID(String? category, Int64 link
     /// <returns>实体列表</returns>
     public static IList<Log> FindAllByCreateUserID(Int32 createUserId)
     {
-        if (createUserId <= 0) return [];
+        if (createUserId < 0) return [];
 
         return FindAll(_.CreateUserID == createUserId);
     }
diff --git a/XUnitTest.XCode/Code/entity_user_normal.cs b/XUnitTest.XCode/Code/entity_user_normal.cs
index 269353f6b..001860233 100644
--- a/XUnitTest.XCode/Code/entity_user_normal.cs
+++ b/XUnitTest.XCode/Code/entity_user_normal.cs
@@ -468,7 +468,7 @@ public override Object? this[String name]
     /// <returns>实体对象</returns>
     public static User? FindByID(Int32 id)
     {
-        if (id <= 0) return null;
+        if (id < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);
@@ -539,7 +539,7 @@ public static IList<User> FindAllByCode(String? code)
     /// <returns>实体列表</returns>
     public static IList<User> FindAllByRoleID(Int32 roleId)
     {
-        if (roleId <= 0) return [];
+        if (roleId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.RoleID == roleId);
@@ -552,7 +552,7 @@ public static IList<User> FindAllByRoleID(Int32 roleId)
     /// <returns>实体列表</returns>
     public static IList<User> FindAllByDepartmentID(Int32 departmentId)
     {
-        if (departmentId <= 0) return [];
+        if (departmentId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.DepartmentID == departmentId);
diff --git a/XUnitTest.XCode/Model/Code/entity_city.cs b/XUnitTest.XCode/Model/Code/entity_city.cs
index 1e47e7a11..11a3cdc02 100644
--- a/XUnitTest.XCode/Model/Code/entity_city.cs
+++ b/XUnitTest.XCode/Model/Code/entity_city.cs
@@ -262,7 +262,7 @@ public static IList<CorePerson> FindAllByPname(String pname)
     /// <returns>实体列表</returns>
     public static IList<CorePerson> FindAllByBuildID(Int32 buildId)
     {
-        if (buildId <= 0) return [];
+        if (buildId < 0) return [];
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.BuildID == buildId);
diff --git a/XUnitTest.XCode/Model/Code/entity_city_biz.cs b/XUnitTest.XCode/Model/Code/entity_city_biz.cs
index 20f849022..4aa1a5579 100644
--- a/XUnitTest.XCode/Model/Code/entity_city_biz.cs
+++ b/XUnitTest.XCode/Model/Code/entity_city_biz.cs
@@ -127,7 +127,7 @@ public override Boolean Valid(DataMethod method)
     /// <returns>实体对象</returns>
     public static CorePerson FindByPersonID(Int32 personId)
     {
-        if (personId <= 0) return null;
+        if (personId < 0) return null;
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.PersonID == personId);
@@ -143,7 +143,7 @@ public static CorePerson FindByPersonID(Int32 personId)
     /// <returns>实体列表</returns>
     public static IList<CorePerson> FindAllByBuild_ID(Int32 build_ID)
     {
-        if (build_ID <= 0) return new List<CorePerson>();
+        if (build_ID < 0) return new List<CorePerson>();
 
         // 实体缓存
         if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.Build_ID == build_ID);