diff --git a/src/controllers/OrganizationController.ts b/src/controllers/OrganizationController.ts
index 04a2fa7e..edbd1f97 100644
--- a/src/controllers/OrganizationController.ts
+++ b/src/controllers/OrganizationController.ts
@@ -2036,7 +2036,7 @@ export class OrganizationController extends Controller {
           _data.child2 = [holder.orgChild2Id];
           _data.child3 = [holder.orgChild3Id];
           _data.child4 = [holder.orgChild4Id];
-        } else if (_privilege.privilege == "CHILD") {
+        } else if (_privilege.privilege == "CHILD" || _privilege.privilege == "BROTHER") {
           const holder = profile.current_holders.find((x) => x.orgRevisionId === id);
           if (!holder) return;
           _data.root = [holder.orgRootId];
@@ -6174,7 +6174,7 @@ export class OrganizationController extends Controller {
           _data.child2 = [holder.orgChild2Id];
           _data.child3 = [holder.orgChild3Id];
           _data.child4 = [holder.orgChild4Id];
-        } else if (_privilege.privilege == "CHILD") {
+        } else if (_privilege.privilege == "CHILD" || _privilege.privilege == "BROTHER") {
           const holder = profile.current_holders.find((x) => x.orgRevisionId === id);
           if (!holder) return;
           _data.root = [holder.orgRootId];
diff --git a/src/controllers/OrganizationDotnetController.ts b/src/controllers/OrganizationDotnetController.ts
index cbae3874..00eb9b5a 100644
--- a/src/controllers/OrganizationDotnetController.ts
+++ b/src/controllers/OrganizationDotnetController.ts
@@ -79,7 +79,7 @@ export class OrganizationDotnetController extends Controller {
   ) {
     let condition = "1=1";
     let conditionParams = {};
-    if (body.role === "CHILD") {
+    if (body.role === "CHILD" || body.role === "BROTHER") {
       switch (body.node) {
         case 0:
           condition = "orgRoot.ancestorDNA = :nodeId";
@@ -198,7 +198,7 @@ export class OrganizationDotnetController extends Controller {
   ) {
     let condition = "1=1";
     let conditionParams = {};
-    if (body.role === "CHILD") {
+    if (body.role === "CHILD" || body.role === "BROTHER") {
       switch (body.node) {
         case 0:
           condition = "orgRoot.ancestorDNA = :nodeId";
@@ -4399,8 +4399,8 @@ export class OrganizationDotnetController extends Controller {
     },
   ) {
     let typeCondition: any = {};
-    if (body.role === "CHILD" || body.role === "PARENT") {
-      if (body.role === "CHILD") {
+    if (body.role === "CHILD" || body.role === "PARENT" || body.role === "BROTHER") {
+      if (body.role === "CHILD" || body.role === "BROTHER") {
         switch (body.node) {
           case 0:
             typeCondition = {
@@ -4441,16 +4441,14 @@ export class OrganizationDotnetController extends Controller {
             typeCondition = {};
             break;
         }
-      }
-      else if (body.role === "PARENT") {
+      } else if (body.role === "PARENT") {
         typeCondition = {
           orgRoot: {
-            ancestorDNA: body.nodeId
+            ancestorDNA: body.nodeId,
           },
           orgChild1: Not(IsNull()),
         };
       }
-      
     } else if (body.role === "OWNER" || body.role === "ROOT") {
       switch (body.reqNode) {
         case 0:
@@ -5005,8 +5003,8 @@ export class OrganizationDotnetController extends Controller {
     },
   ) {
     let typeCondition: any = {};
-    if (body.role === "CHILD" || body.role === "PARENT") {
-      if (body.role === "CHILD") {
+    if (body.role === "CHILD" || body.role === "PARENT" || body.role === "BROTHER") {
+      if (body.role === "CHILD" || body.role === "BROTHER") {
         switch (body.node) {
           case 0:
             typeCondition = {
@@ -5043,23 +5041,18 @@ export class OrganizationDotnetController extends Controller {
               },
             };
             break;
-          case null:
-            typeCondition = {};
-            break;
           default:
             typeCondition = {};
             break;
         }
-      }
-      else if (body.role === "PARENT") {
+      } else if (body.role === "PARENT") {
         typeCondition = {
           orgRoot: {
-            ancestorDNA: body.nodeId
+            ancestorDNA: body.nodeId,
           },
           orgChild1: Not(IsNull()),
         };
       }
-      
     } else if (body.role === "OWNER" || body.role === "ROOT") {
       switch (body.reqNode) {
         case 0:
diff --git a/src/controllers/PermissionController.ts b/src/controllers/PermissionController.ts
index 4cd20c8b..b082f0fd 100644
--- a/src/controllers/PermissionController.ts
+++ b/src/controllers/PermissionController.ts
@@ -748,6 +748,14 @@ export class PermissionController extends Controller {
         child3: node >= 3 ? [x.orgChild3Id] : null,
         child4: node >= 4 ? [x.orgChild4Id] : null,
       };
+    } else if (privilege == "BROTHER") {
+      data = {
+        // root: node >= 0 ? null : null,
+        root: node >= 0 ? [x.orgRootId] : null,
+        child1: node >= 2 ? [x.orgChild1Id] : null,
+        child2: node >= 3 ? [x.orgChild2Id] : null,
+        child3: node >= 4 ? [x.orgChild3Id] : null,
+      };
     } else if (privilege == "NORMAL") {
       data = {
         root: [x.orgRootId],
diff --git a/src/controllers/PositionController.ts b/src/controllers/PositionController.ts
index 84144021..d2c5fc87 100644
--- a/src/controllers/PositionController.ts
+++ b/src/controllers/PositionController.ts
@@ -2525,7 +2525,11 @@ export class PositionController extends Controller {
       }),
     );
 
-    if (_data.privilege === "NORMAL" || _data.privilege === "CHILD") {
+    if (
+      _data.privilege === "NORMAL" ||
+      _data.privilege === "CHILD" ||
+      _data.privilege === "BROTHER"
+    ) {
       //PARENT จะไม่มีทางเห็น ROOT , CHILD ยึดจาก CHILD ที่อยู่ลงไปข้างล่างและจะไม่เห็น CHILD ที่อยู่เหนือกว่า
       const nextChildMap: any = {
         //เอาไวเช็ค CHILD ถัดไป
@@ -2539,7 +2543,7 @@ export class PositionController extends Controller {
         if (Array.isArray(childValue) && childValue.some((item) => item != null)) {
           return new HttpSuccess({ data: [], total: 0 });
         }
-      } else if (_data.privilege === "CHILD") {
+      } else if (_data.privilege === "CHILD" || _data.privilege === "BROTHER") {
         const higherChildChecks = [
           { type: [0], child: _data.child1, next: _data.child2 },
           { type: [0, 1], child: _data.child2, next: _data.child3 },
diff --git a/src/interfaces/permission.ts b/src/interfaces/permission.ts
index b48478dc..1542ce45 100644
--- a/src/interfaces/permission.ts
+++ b/src/interfaces/permission.ts
@@ -112,6 +112,15 @@ class CheckAuth {
             child4: node >= 4 ? [x.orgChild4Id] : null,
             privilege: "CHILD",
           };
+        } else if (privilege == "BROTHER") {
+          data = {
+            // root: node >= 0 ? [x.orgRootId] : null,
+            root: node >= 0 ? [x.orgRootId] : null,
+            child1: node >= 2 ? [x.orgChild1Id] : null,
+            child2: node >= 3 ? [x.orgChild2Id] : null,
+            child3: node >= 4 ? [x.orgChild3Id] : null,
+            privilege: "BROTHER",
+          };
         } else if (privilege == "NORMAL") {
           data = {
             root: [x.orgRootId],