diff --git a/src/main/java/com/tuoheng/machine/command/Transaction.java b/src/main/java/com/tuoheng/machine/command/Transaction.java
index d2002bf..00b5627 100644
--- a/src/main/java/com/tuoheng/machine/command/Transaction.java
+++ b/src/main/java/com/tuoheng/machine/command/Transaction.java
@@ -26,7 +26,7 @@ public class Transaction {
     /**
      * 事务超时时间（毫秒）
      */
-    private long timeoutMs = 10000; // 默认10秒
+    private long timeoutMs = 20000; // 默认10秒
 
     public Transaction(String name, CommandType commandType) {
         this.name = name;
diff --git a/src/main/java/com/tuoheng/machine/instruction/CallbackConfig.java b/src/main/java/com/tuoheng/machine/instruction/CallbackConfig.java
index 41e8ea0..ebc599e 100644
--- a/src/main/java/com/tuoheng/machine/instruction/CallbackConfig.java
+++ b/src/main/java/com/tuoheng/machine/instruction/CallbackConfig.java
@@ -40,7 +40,7 @@ public class CallbackConfig {
      * 超时时间（毫秒）
      */
     @Builder.Default
-    private long timeoutMs = 3000;
+    private long timeoutMs = 10000;
 
     /**
      * 事务ID字段路径（用于匹配回调消息，如 "tid"）
diff --git a/src/main/java/com/tuoheng/machine/instruction/Instruction.java b/src/main/java/com/tuoheng/machine/instruction/Instruction.java
index fc85060..597f407 100644
--- a/src/main/java/com/tuoheng/machine/instruction/Instruction.java
+++ b/src/main/java/com/tuoheng/machine/instruction/Instruction.java
@@ -43,7 +43,7 @@ public interface Instruction {
      * 获取指令超时时间（毫秒）
      */
     default long getTimeoutMs() {
-        return 60000; // 默认60秒
+        return 1000; // 默认10秒
     }
 
     /**
diff --git a/src/main/java/com/tuoheng/machine/mqtt/MqttCallbackRegistry.java b/src/main/java/com/tuoheng/machine/mqtt/MqttCallbackRegistry.java
index 250c536..cd8de92 100644
--- a/src/main/java/com/tuoheng/machine/mqtt/MqttCallbackRegistry.java
+++ b/src/main/java/com/tuoheng/machine/mqtt/MqttCallbackRegistry.java
@@ -342,4 +342,18 @@ public class MqttCallbackRegistry {
     public int getCallbackCount() {
         return localHandlers.size();
     }
+
+    /**
+     * 清理所有回调（仅用于测试环境）
+     * 警告：此方法会清理所有回调，包括未超时的，仅应在测试环境中使用
+     */
+    public void cleanupAllCallbacks() {
+        List<MqttCallbackInfo> allCallbacks = callbackStore.getAllCallbacks();
+        for (MqttCallbackInfo callbackInfo : allCallbacks) {
+            log.debug("清理MQTT回调: callbackId={}, topic={}",
+                    callbackInfo.getCallbackId(), callbackInfo.getTopic());
+            unregisterCallback(callbackInfo.getCallbackId());
+        }
+        log.info("已清理所有MQTT回调，共{}个", allCallbacks.size());
+    }
 }
diff --git a/src/test/java/com/tuoheng/machine/ComprehensiveDrcStateMachineTest.java b/src/test/java/com/tuoheng/machine/ComprehensiveDrcStateMachineTest.java
index 8fa9384..3f06c74 100644
--- a/src/test/java/com/tuoheng/machine/ComprehensiveDrcStateMachineTest.java
+++ b/src/test/java/com/tuoheng/machine/ComprehensiveDrcStateMachineTest.java
@@ -78,6 +78,15 @@ public class ComprehensiveDrcStateMachineTest {
         log.info("\n========================================");
         log.info("完成测试: {}", testInfo.getDisplayName());
         log.info("========================================\n\n");
+
+        // 清理所有回调，避免影响后续测试
+        try {
+            Thread.sleep(200); // 等待当前测试的回调完成
+            mqttCallbackRegistry.cleanupAllCallbacks();
+            log.info("已清理所有回调，准备下一个测试");
+        } catch (InterruptedException e) {
+            log.warn("清理回调时被中断", e);
+        }
     }
 
     /**