diff --git a/backend/src/main/java/com/qqchen/deploy/backend/workflow/engine/parser/WorkflowDefinitionParser.java b/backend/src/main/java/com/qqchen/deploy/backend/workflow/engine/parser/WorkflowDefinitionParser.java
index 46eeffa0..273fd5f0 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/workflow/engine/parser/WorkflowDefinitionParser.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/workflow/engine/parser/WorkflowDefinitionParser.java
@@ -36,7 +36,7 @@ public class WorkflowDefinitionParser {
         try {
             log.debug("Parsing node config: {}", nodeConfig);
             JsonNode rootNode = objectMapper.readTree(nodeConfig);
-            JsonNode nodesNode = rootNode.get("nodes");
+            JsonNode nodesNode = rootNode.get("nodeConfig");
             if (nodesNode == null || !nodesNode.isArray()) {
                 throw new WorkflowEngineException(ResponseCode.WORKFLOW_NODE_CONFIG_INVALID);
             }
@@ -63,18 +63,21 @@ public class WorkflowDefinitionParser {
     public List<TransitionConfig> parseTransitionConfig(String transitionConfig) {
         try {
             log.debug("Parsing transition config: {}", transitionConfig);
-            List<TransitionConfig> transitions = objectMapper.readValue(
-                transitionConfig,
-                new TypeReference<List<TransitionConfig>>() {}
-            );
-            
-            transitions.forEach(transition -> 
+            JsonNode rootNode = objectMapper.readTree(transitionConfig);
+            JsonNode transitionsNode = rootNode.get("transitionConfig");
+            if (transitionsNode == null || !transitionsNode.isArray()) {
+                throw new WorkflowEngineException(ResponseCode.WORKFLOW_CONFIG_INVALID);
+            }
+
+            List<TransitionConfig> transitions = new ArrayList<>();
+            for (JsonNode node : transitionsNode) {
+                TransitionConfig config = objectMapper.treeToValue(node, TransitionConfig.class);
+                transitions.add(config);
                 log.debug("Parsed transition: {} -> {}, priority={}", 
-                    transition.getSourceNodeId(), 
-                    transition.getTargetNodeId(), 
-                    transition.getPriority())
-            );
-            
+                    config.getSourceNodeId(), 
+                    config.getTargetNodeId(), 
+                    config.getPriority());
+            }
             return transitions;
         } catch (JsonProcessingException e) {
             log.error("Failed to parse transition config: {}", e.getMessage(), e);
@@ -93,18 +96,18 @@ public class WorkflowDefinitionParser {
         boolean hasStart = false;
         boolean hasEnd = false;
         for (NodeConfig node : nodes) {
-            switch (node.getType()) {
-                case START -> hasStart = true;
-                case END -> hasEnd = true;
+            if (node.getType() == NodeTypeEnum.START) {
+                hasStart = true;
+            } else if (node.getType() == NodeTypeEnum.END) {
+                hasEnd = true;
             }
         }
         
         if (!hasStart || !hasEnd) {
-            throw new WorkflowEngineException(ResponseCode.WORKFLOW_CONFIG_INVALID, 
-                "Workflow must have both START and END nodes");
+            throw new WorkflowEngineException(ResponseCode.WORKFLOW_CONFIG_INVALID, "工作流必须包含开始节点和结束节点");
         }
 
-        // 2. 检查流转配置中的节点ID是否都存在
+        // 2. 检查流转配置的完整性
         for (TransitionConfig transition : transitions) {
             boolean sourceExists = false;
             boolean targetExists = false;
@@ -119,36 +122,11 @@ public class WorkflowDefinitionParser {
             }
             
             if (!sourceExists || !targetExists) {
-                throw new WorkflowEngineException(ResponseCode.WORKFLOW_CONFIG_INVALID,
-                    String.format("Invalid node reference in transition: %s -> %s", 
-                        transition.getSourceNodeId(), transition.getTargetNodeId()));
+                throw new WorkflowEngineException(ResponseCode.WORKFLOW_CONFIG_INVALID, 
+                    String.format("流转配置中的节点不存在: %s -> %s", 
+                        transition.getSourceNodeId(), 
+                        transition.getTargetNodeId()));
             }
         }
-
-        // 3. 检查是否存在孤立节点（没有入边或出边的非开始/结束节点）
-        for (NodeConfig node : nodes) {
-            if (node.getType() == NodeTypeEnum.START || node.getType() == NodeTypeEnum.END) {
-                continue;
-            }
-            
-            boolean hasIncoming = false;
-            boolean hasOutgoing = false;
-            
-            for (TransitionConfig transition : transitions) {
-                if (transition.getTargetNodeId().equals(node.getNodeId())) {
-                    hasIncoming = true;
-                }
-                if (transition.getSourceNodeId().equals(node.getNodeId())) {
-                    hasOutgoing = true;
-                }
-            }
-            
-            if (!hasIncoming || !hasOutgoing) {
-                throw new WorkflowEngineException(ResponseCode.WORKFLOW_CONFIG_INVALID,
-                    String.format("Isolated node found: %s", node.getNodeId()));
-            }
-        }
-        
-        log.info("Workflow configuration validation passed");
     }
-} 
\ No newline at end of file
+}
\ No newline at end of file