diff --git a/src/services/rabbitmq.ts b/src/services/rabbitmq.ts
index 0f3614cd..af8f4d2d 100644
--- a/src/services/rabbitmq.ts
+++ b/src/services/rabbitmq.ts
@@ -236,23 +236,35 @@ async function handler(msg: amqp.ConsumeMessage): Promise<boolean> {
   if (path == null) throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบประเภทคำสั่งนี้ในระบบ");
 
   try {
+    const allRefIds = new Set<string>();
     const chunks = chunkArray(
-      command.commandRecives.filter((x) => x.refId != null).map((x) => ({
-        refId: x.refId,
-        commandNo: command.commandNo,
-        commandYear: command.commandYear,
-        commandId: command.id,
-        remark: command.positionDetail,
-        amount: x.amount,
-        amountSpecial: x.amountSpecial,
-        positionSalaryAmount: x.positionSalaryAmount,
-        mouthSalaryAmount: x.mouthSalaryAmount,
-        commandCode: command.commandType.commandCode,
-        commandName: command.commandType.name,
-        commandDateAffect: command.commandExcecuteDate,
-        commandDateSign: command.commandAffectDate,
-      })),
-      50
+      command.commandRecives
+        .filter((x) => x.refId != null)
+        .map((x) => {
+          const key = `${x.refId}-${command.id}`;
+          if (allRefIds.has(key)) {
+            return null;
+          }
+          allRefIds.add(key);
+    
+          return {
+            refId: x.refId,
+            commandNo: command.commandNo,
+            commandYear: command.commandYear,
+            commandId: command.id,
+            remark: command.positionDetail,
+            amount: x.amount,
+            amountSpecial: x.amountSpecial,
+            positionSalaryAmount: x.positionSalaryAmount,
+            mouthSalaryAmount: x.mouthSalaryAmount,
+            commandCode: command.commandType.commandCode,
+            commandName: command.commandType.name,
+            commandDateAffect: command.commandExcecuteDate,
+            commandDateSign: command.commandAffectDate,
+          };
+        })
+        .filter(Boolean),
+      20
     );
 
     for (const chunk of chunks) {