diff --git a/src/controllers/06-request-list-controller.ts b/src/controllers/06-request-list-controller.ts
index 37fd8e2..eb7ec75 100644
--- a/src/controllers/06-request-list-controller.ts
+++ b/src/controllers/06-request-list-controller.ts
@@ -321,6 +321,14 @@ export class RequestDataController extends Controller {
 @Route("/api/v1/request-data/{requestDataId}")
 @Tags("Request List")
 export class RequestDataActionController extends Controller {
+  async #getLineToken() {
+    if (!process.env.LINE_MESSAGING_API_TOKEN) {
+      console.warn("Line Webhook Activated but LINE_MESSAGING_API_TOKEN not set.");
+    }
+
+    return process.env.LINE_MESSAGING_API_TOKEN;
+  }
+
   @Post("reject-request-cancel")
   @Security("keycloak")
   async rejectRequestCancel(
@@ -395,6 +403,17 @@ export class RequestDataActionController extends Controller {
           },
         },
       },
+      include: {
+        quotation: {
+          include: {
+            customerBranch: {
+              include: {
+                customer: { include: { branch: { where: { userId: { not: null } } } } },
+              },
+            },
+          },
+        },
+      },
     });
 
     if (!result) throw notFoundError("Request Data");
@@ -454,6 +473,49 @@ export class RequestDataActionController extends Controller {
           data: { taskOrderStatus: TaskStatus.Canceled },
         }),
       ]);
+
+      const token = await this.#getLineToken();
+      if (!token) return;
+
+      const textHead = "JWS ALERT:";
+
+      const textAlert = "ขอแจ้งให้ทราบว่าใบเสนอราคา";
+      const textAlert2 = "ได้ดำเนินการยกเลิกเรียบร้อยแล้ว";
+      const textAlert3 = "หากต้องการข้อมูลเพิ่มเติม กรุณาแจ้งให้ฝ่ายที่เกี่ยวข้องทราบ 🙏";
+      let finalTextWork = "";
+      let textData = "";
+
+      let dataCustomerId: string[] = [];
+      let dataUserId: string[] = [];
+
+      result.quotation.customerBranch.customer.branch.forEach((item) => {
+        if (!dataCustomerId?.includes(item.id) && item.userId) {
+          dataCustomerId.push(item.id);
+          dataUserId.push(item.userId);
+        }
+      });
+      finalTextWork = `เลขที่ใบเสนอราคา: ${result.code} ${result.quotation.workName}`;
+
+      textData = `${textHead}\n\n${textAlert}\n${finalTextWork}\n${textAlert2}\n\n${textAlert3}`;
+
+      const data = {
+        to: dataUserId,
+        messages: [
+          {
+            type: "text",
+            text: textData,
+          },
+        ],
+      };
+
+      await fetch("https://api.line.me/v2/bot/message/multicast", {
+        method: "POST",
+        headers: {
+          Authorization: `Bearer ${token}`,
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify(data),
+      });
     });
   }
 
@@ -674,6 +736,19 @@ export class RequestDataActionController extends Controller {
             },
           },
           data: { quotationStatus: QuotationStatus.ProcessComplete, urgent: false },
+          include: {
+            customerBranch: {
+              include: {
+                customer: {
+                  include: {
+                    branch: {
+                      where: { userId: { not: null } },
+                    },
+                  },
+                },
+              },
+            },
+          },
         })
         .then(async (res) => {
           await tx.notification.createMany({
@@ -683,6 +758,56 @@ export class RequestDataActionController extends Controller {
               receiverId: v.createdByUserId,
             })),
           });
+
+          const token = await this.#getLineToken();
+          if (!token) return;
+
+          const textHead = "JWS ALERT:";
+
+          const textAlert = "ขอแจ้งให้ทราบว่าใบเสนอราคา";
+          const textAlert2 = "ได้ดำเนินการเสร็จสิ้นทุกกระบวนการเรียบร้อยแล้ว";
+          const textAlert3 = "หากต้องการข้อมูลเพิ่มเติม กรุณาแจ้งให้ฝ่ายที่เกี่ยวข้องทราบ 🙏";
+          let finalTextWork = "";
+          let textData = "";
+
+          let dataCustomerId: string[] = [];
+          let textWorkList: string[] = [];
+          let dataUserId: string[] = [];
+
+          if (res) {
+            res.forEach((data, index) => {
+              data.customerBranch.customer.branch.forEach((item) => {
+                if (!dataCustomerId?.includes(item.id) && item.userId) {
+                  dataCustomerId.push(item.id);
+                  dataUserId.push(item.userId);
+                }
+              });
+              textWorkList.push(`${index + 1}. เลขที่ใบเสนอราคา ${data.code} ${data.workName}`);
+            });
+
+            finalTextWork = textWorkList.join("\n");
+          }
+
+          textData = `${textHead}\n\n${textAlert}\n${finalTextWork}\n${textAlert2}\n\n${textAlert3}`;
+
+          const data = {
+            to: dataUserId,
+            messages: [
+              {
+                type: "text",
+                text: textData,
+              },
+            ],
+          };
+
+          await fetch("https://api.line.me/v2/bot/message/multicast", {
+            method: "POST",
+            headers: {
+              Authorization: `Bearer ${token}`,
+              "Content-Type": "application/json",
+            },
+            body: JSON.stringify(data),
+          });
         });
       // dataRecord.push(record);
       return data;
diff --git a/src/controllers/08-credit-note-controller.ts b/src/controllers/08-credit-note-controller.ts
index fd7a2a3..8af230b 100644
--- a/src/controllers/08-credit-note-controller.ts
+++ b/src/controllers/08-credit-note-controller.ts
@@ -83,6 +83,14 @@ type CreditNoteUpdate = {
 @Route("api/v1/credit-note")
 @Tags("Credit Note")
 export class CreditNoteController extends Controller {
+  async #getLineToken() {
+    if (!process.env.LINE_MESSAGING_API_TOKEN) {
+      console.warn("Line Webhook Activated but LINE_MESSAGING_API_TOKEN not set.");
+    }
+
+    return process.env.LINE_MESSAGING_API_TOKEN;
+  }
+
   @Get("stats")
   @Security("keycloak")
   async getCreditNoteStats(@Request() req: RequestWithUser, @Query() quotationId?: string) {
@@ -366,33 +374,90 @@ export class CreditNoteController extends Controller {
           update: { value: { increment: 1 } },
         });
 
-        return await prisma.creditNote.create({
-          include: {
-            requestWork: {
-              include: {
-                request: true,
+        return await prisma.creditNote
+          .create({
+            include: {
+              requestWork: {
+                include: {
+                  request: true,
+                },
+              },
+              quotation: {
+                include: {
+                  customerBranch: {
+                    include: {
+                      customer: { include: { branch: { where: { userId: { not: null } } } } },
+                    },
+                  },
+                },
               },
             },
-            quotation: true,
-          },
-          data: {
-            reason: body.reason,
-            detail: body.detail,
-            remark: body.remark,
-            paybackType: body.paybackType,
-            paybackBank: body.paybackBank,
-            paybackAccount: body.paybackAccount,
-            paybackAccountName: body.paybackAccountName,
-            code: `CN${currentYear.toString().padStart(2, "0")}${currentMonth.toString().padStart(2, "0")}${last.value.toString().padStart(6, "0")}`,
-            value,
-            requestWork: {
-              connect: body.requestWorkId.map((v) => ({
-                id: v,
-              })),
+            data: {
+              reason: body.reason,
+              detail: body.detail,
+              remark: body.remark,
+              paybackType: body.paybackType,
+              paybackBank: body.paybackBank,
+              paybackAccount: body.paybackAccount,
+              paybackAccountName: body.paybackAccountName,
+              code: `CN${currentYear.toString().padStart(2, "0")}${currentMonth.toString().padStart(2, "0")}${last.value.toString().padStart(6, "0")}`,
+              value,
+              requestWork: {
+                connect: body.requestWorkId.map((v) => ({
+                  id: v,
+                })),
+              },
+              quotationId: body.quotationId,
             },
-            quotationId: body.quotationId,
-          },
-        });
+          })
+          .then(async (res) => {
+            const token = await this.#getLineToken();
+            if (!token) return;
+
+            const textHead = "JWS ALERT:";
+
+            const textAlert = "ขอแจ้งให้ทราบว่าใบลดหนี้";
+            const textAlert2 = "ได้ถูกสร้างขึ้นเรียบร้อยแล้ว";
+            const textAlert3 =
+              "หากท่านต้องการข้อมูลเพิ่มเติมหรือมีข้อสงสัยประการใด โปรดแจ้งให้ฝ่ายที่เกี่ยวข้องทราบ ทางเรายินดีให้ความช่วยเหลืออย่างเต็มที่ 🙏";
+            let finalTextWork = "";
+            let textData = "";
+
+            let dataCustomerId: string[] = [];
+            let textWorkList: string[] = [];
+            let dataUserId: string[] = [];
+
+            if (res) {
+              res.quotation.customerBranch.customer.branch.forEach((item) => {
+                if (!dataCustomerId?.includes(item.id) && item.userId) {
+                  dataCustomerId.push(item.id);
+                  dataUserId.push(item.userId);
+                }
+              });
+              finalTextWork = `จำนวนเงิน ${res.value.toFixed(2)} บาท `;
+            }
+
+            textData = `${textHead}\n\n${textAlert}\n${finalTextWork}${textAlert2}\n\n${textAlert3}`;
+
+            const data = {
+              to: dataUserId,
+              messages: [
+                {
+                  type: "text",
+                  text: textData,
+                },
+              ],
+            };
+
+            await fetch("https://api.line.me/v2/bot/message/multicast", {
+              method: "POST",
+              headers: {
+                Authorization: `Bearer ${token}`,
+                "Content-Type": "application/json",
+              },
+              body: JSON.stringify(data),
+            });
+          });
       },
       { isolationLevel: Prisma.TransactionIsolationLevel.Serializable },
     );
@@ -573,6 +638,14 @@ export class CreditNoteActionController extends Controller {
     return creditNoteData;
   }
 
+  async #getLineToken() {
+    if (!process.env.LINE_MESSAGING_API_TOKEN) {
+      console.warn("Line Webhook Activated but LINE_MESSAGING_API_TOKEN not set.");
+    }
+
+    return process.env.LINE_MESSAGING_API_TOKEN;
+  }
+
   @Post("accept")
   @Security("keycloak", MANAGE_ROLES)
   async acceptCreditNote(@Request() req: RequestWithUser, @Path() creditNoteId: string) {
@@ -591,23 +664,81 @@ export class CreditNoteActionController extends Controller {
     @Body() body: { paybackStatus: PaybackStatus },
   ) {
     await this.#checkPermission(req.user, creditNoteId);
-    return await prisma.creditNote.update({
-      where: { id: creditNoteId },
-      include: {
-        requestWork: {
-          include: {
-            request: true,
+    return await prisma.creditNote
+      .update({
+        where: { id: creditNoteId },
+        include: {
+          requestWork: {
+            include: {
+              request: true,
+            },
+          },
+          quotation: {
+            include: {
+              customerBranch: {
+                include: {
+                  customer: { include: { branch: { where: { userId: { not: null } } } } },
+                },
+              },
+            },
           },
         },
-        quotation: true,
-      },
-      data: {
-        creditNoteStatus:
-          body.paybackStatus === PaybackStatus.Done ? CreditNoteStatus.Success : undefined,
-        paybackStatus: body.paybackStatus,
-        paybackDate: body.paybackStatus === PaybackStatus.Done ? new Date() : undefined,
-      },
-    });
+        data: {
+          creditNoteStatus:
+            body.paybackStatus === PaybackStatus.Done ? CreditNoteStatus.Success : undefined,
+          paybackStatus: body.paybackStatus,
+          paybackDate: body.paybackStatus === PaybackStatus.Done ? new Date() : undefined,
+        },
+      })
+      .then(async (res) => {
+        const token = await this.#getLineToken();
+        if (!token) return;
+
+        const textHead = "JWS ALERT:";
+
+        const textAlert = "ทางเราขอแจ้งให้ทราบว่าการดำเนินการคืนเงินสำหรับใบลดหนี้";
+        const textAlert2 = "ได้รับการอนุมัติและเสร็จสมบูรณ์เรียบร้อยแล้ว";
+        const textAlert3 =
+          "หากท่านต้องการข้อมูลเพิ่มเติมหรือมีข้อสงสัยประการใด โปรดแจ้งให้ฝ่ายที่เกี่ยวข้องทราบ ทางเรายินดีให้ความช่วยเหลืออย่างเต็มที่ 🙏";
+        let finalTextWork = "";
+        let textData = "";
+
+        let dataCustomerId: string[] = [];
+        let textWorkList: string[] = [];
+        let dataUserId: string[] = [];
+
+        if (res) {
+          res.quotation.customerBranch.customer.branch.forEach((item) => {
+            if (!dataCustomerId?.includes(item.id) && item.userId) {
+              dataCustomerId.push(item.id);
+              dataUserId.push(item.userId);
+            }
+          });
+          finalTextWork = `จำนวนเงิน ${res.value.toFixed(2)} บาท `;
+        }
+
+        textData = `${textHead}\n\n${textAlert}\n${finalTextWork}${textAlert2}\n\n${textAlert3}`;
+
+        const data = {
+          to: dataUserId,
+          messages: [
+            {
+              type: "text",
+              text: textData,
+            },
+          ],
+        };
+        body.paybackStatus === PaybackStatus.Done
+          ? await fetch("https://api.line.me/v2/bot/message/multicast", {
+              method: "POST",
+              headers: {
+                Authorization: `Bearer ${token}`,
+                "Content-Type": "application/json",
+              },
+              body: JSON.stringify(data),
+            })
+          : undefined;
+      });
   }
 }