diff --git a/src/main/java/com/iflytop/gd/app/core/CraftsContext.java b/src/main/java/com/iflytop/gd/app/core/CraftsContext.java
index 839d0da..7d7421b 100644
--- a/src/main/java/com/iflytop/gd/app/core/CraftsContext.java
+++ b/src/main/java/com/iflytop/gd/app/core/CraftsContext.java
@@ -5,6 +5,7 @@ import com.iflytop.gd.app.common.enums.CraftEvents;
 import com.iflytop.gd.app.common.enums.CraftStates;
 import com.iflytop.gd.app.model.bo.CraftsStep;
 import com.iflytop.gd.app.model.entity.Crafts;
+import com.iflytop.gd.app.service.CraftsStepService;
 import com.iflytop.gd.app.service.WebSocketService;
 import com.iflytop.gd.common.constant.WebSocketMessageType;
 import lombok.Getter;
@@ -26,12 +27,14 @@ public class CraftsContext implements Runnable {
     private final List<CraftsStep> craftsStepList;
     private final StateMachine<CraftStates, CraftEvents> sm;
     private final WebSocketService ws;
+    private final CraftsStepService craftsStepService;
     private int currentIndex = 0;
 
-    public CraftsContext(String heatId, Crafts craft, StateMachineFactory<CraftStates, CraftEvents> factory, WebSocketService ws) {
+    public CraftsContext(String heatId, Crafts craft, StateMachineFactory<CraftStates, CraftEvents> factory, WebSocketService ws, CraftsStepService craftsStepService) {
         this.heatId = heatId;
         this.craftsStepList = JSONUtil.parseArray(craft.getSteps()).toList(CraftsStep.class);
         this.ws = ws;
+        this.craftsStepService = craftsStepService;
 
         this.sm = factory.getStateMachine(heatId);
         Mono.from(sm.startReactively()).block();
@@ -83,14 +86,13 @@ public class CraftsContext implements Runnable {
     }
 
     private boolean executeStep(CraftsStep step) throws InterruptedException {
-        // TODO: 推送单步信息并实际调用设备服务
         Map<String, Object> dataMap = new HashMap<>();
         dataMap.put("heatId", heatId);
         dataMap.put("currentStep", step.getMethod());
         ws.push(WebSocketMessageType.CRAFTS_STEP, dataMap);
 
         Thread.sleep(3000);
-        return true;
+        return craftsStepService.executeStep(heatId, step);
     }
 
     // 暂停
diff --git a/src/main/java/com/iflytop/gd/app/service/CraftsService.java b/src/main/java/com/iflytop/gd/app/service/CraftsService.java
index b39844d..eb0ec38 100644
--- a/src/main/java/com/iflytop/gd/app/service/CraftsService.java
+++ b/src/main/java/com/iflytop/gd/app/service/CraftsService.java
@@ -26,6 +26,7 @@ import java.util.stream.Collectors;
 public class CraftsService extends ServiceImpl<CraftsMapper, Crafts> {
     private final StateMachineFactory<CraftStates, CraftEvents> stateMachineFactory;
     private final WebSocketService webSocketService;
+    private final CraftsStepService craftsStepService;
 
     private ExecutorService executor;
     private final ConcurrentHashMap<String, CraftsContext> contextMap = new ConcurrentHashMap<>();
@@ -47,7 +48,7 @@ public class CraftsService extends ServiceImpl<CraftsMapper, Crafts> {
         if (craft == null) {
             return false;
         }
-        CraftsContext ctx = new CraftsContext(heatId, craft, stateMachineFactory, webSocketService);
+        CraftsContext ctx = new CraftsContext(heatId, craft, stateMachineFactory, webSocketService, craftsStepService);
         CompletableFuture<Void> cf = CompletableFuture.runAsync(() -> {
             try {
                 ctx.run();
diff --git a/src/main/java/com/iflytop/gd/app/service/CraftsStepService.java b/src/main/java/com/iflytop/gd/app/service/CraftsStepService.java
new file mode 100644
index 0000000..8272c5a
--- /dev/null
+++ b/src/main/java/com/iflytop/gd/app/service/CraftsStepService.java
@@ -0,0 +1,58 @@
+package com.iflytop.gd.app.service;
+
+import cn.hutool.json.JSONObject;
+import com.iflytop.gd.app.model.bo.CraftsStep;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+/**
+ * 工艺步骤
+ */
+@Service
+@RequiredArgsConstructor
+public class CraftsStepService {
+
+    /**
+     * 执行单个工艺步骤
+     */
+    public boolean executeStep(String heatId, CraftsStep step) throws InterruptedException {
+        String method = step.getMethod();
+        JSONObject params = step.getParams();
+        return switch (method) {
+            case "UP_TRAY" -> upTray(heatId);
+            case "DOWN_TRAY" -> downTray(heatId);
+            case "ADD_LIQUID" -> addLiquid(heatId, params);
+            case "DELAY" -> delay(params);
+            default -> false;
+        };
+    }
+
+    /**
+     * 将托盘升起
+     */
+    private boolean upTray(String heatId) {
+        return true;
+    }
+
+    /**
+     * 将托盘降下
+     */
+    private boolean downTray(String heatId) {
+        return true;
+    }
+
+    /**
+     * 加液操作
+     */
+    private boolean addLiquid(String heatId, JSONObject params) {
+        return true;
+    }
+
+    /**
+     * 等待指定秒数
+     */
+    private boolean delay(JSONObject params) throws InterruptedException {
+        Thread.sleep(params.getInt("second") * 1000L);
+        return true;
+    }
+}
\ No newline at end of file