diff --git a/acs/nladmin-system/src/main/java/org/nl/acs/instruction/service/impl/InstructionServiceImpl.java b/acs/nladmin-system/src/main/java/org/nl/acs/instruction/service/impl/InstructionServiceImpl.java
index f0a3e14c9..91e40d7d3 100644
--- a/acs/nladmin-system/src/main/java/org/nl/acs/instruction/service/impl/InstructionServiceImpl.java
+++ b/acs/nladmin-system/src/main/java/org/nl/acs/instruction/service/impl/InstructionServiceImpl.java
@@ -238,7 +238,7 @@ public class InstructionServiceImpl implements InstructionService, ApplicationAu
     @Override
     public Instruction findByCode(String code) {
         WQLObject wo = WQLObject.getWQLObject("acs_instruction");
-        JSONObject json = wo.query("instruction_code ='" + code + "'").uniqueResult(0);
+        JSONObject json = wo.query("instruction_code ='" + code + "'","create_time desc").uniqueResult(0);
         if (ObjectUtil.isEmpty(json)) {
             return null;
         }
@@ -249,7 +249,7 @@ public class InstructionServiceImpl implements InstructionService, ApplicationAu
     @Override
     public Instruction findByTaskcode(String code) {
         WQLObject wo = WQLObject.getWQLObject("acs_instruction");
-        JSONObject json = wo.query("task_code ='" + code + "'").uniqueResult(0);
+        JSONObject json = wo.query("task_code ='" + code + "'","create_time desc").uniqueResult(0);
         final Instruction obj = json.toJavaObject(Instruction.class);
         return obj;
     }
@@ -288,7 +288,7 @@ public class InstructionServiceImpl implements InstructionService, ApplicationAu
             wherecaluse = " and " + wherecaluse;
         }
         WQLObject wo = WQLObject.getWQLObject("acs_instruction");
-        JSONObject json = wo.query("task_id ='" + id + "'" + wherecaluse).uniqueResult(0);
+        JSONObject json = wo.query("task_id ='" + id + "'" + wherecaluse,"create_time desc").uniqueResult(0);
         if (ObjectUtil.isNotEmpty(json)) {
             return json.toJavaObject(Instruction.class);
         }