diff --git a/src/main/java/com/dreamworks/boditech/driver/task/step/StepSampling.java b/src/main/java/com/dreamworks/boditech/driver/task/step/StepSampling.java
index 3dc8c90..48a27c8 100644
--- a/src/main/java/com/dreamworks/boditech/driver/task/step/StepSampling.java
+++ b/src/main/java/com/dreamworks/boditech/driver/task/step/StepSampling.java
@@ -58,11 +58,6 @@ public class StepSampling extends StepBase {
         this.armZMotor = (ActArmZMotor)device.getActuator(ActuatorModule.ARM_Z_MOTOR);
         this.pipette = (ActPipette)device.getActuator(ActuatorModule.ARM_Z_PIPETTE);
 
-        // 准备测试板夹
-        if ( this.submit ) {
-            this.setupTestcard(device);
-        }
-
         this.pipette.useTip(this.pipetteTip);
 
         // 1. 获取样本
@@ -88,6 +83,7 @@ public class StepSampling extends StepBase {
 
         // 提交样本
         if ( this.submit ) {
+            this.setupTestcard(device);
             this.pipette.aspiration(this.submitAmount);
             this.armZMotor.moveTo(0);
             this.armXY.moveTo("incubatorCommitHole");