diff --git a/frontend/src/pages/Workflow/Definition/Designer/validate.ts b/frontend/src/pages/Workflow/Definition/Designer/validate.ts
index e91a7867..a14ff809 100644
--- a/frontend/src/pages/Workflow/Definition/Designer/validate.ts
+++ b/frontend/src/pages/Workflow/Definition/Designer/validate.ts
@@ -15,7 +15,7 @@ export const validateFlow = (graph: Graph): ValidationResult => {
     const edges = graph.getEdges();
 
     // 验证开始节点
-    const startNodes = nodes.filter(node => node.getData()?.type === 'START');
+    const startNodes = nodes.filter(node => node.getData()?.type === 'startEvent');
     if (startNodes.length === 0) {
         result.errors.push('流程必须包含一个开始节点');
         result.valid = false;
@@ -25,7 +25,7 @@ export const validateFlow = (graph: Graph): ValidationResult => {
     }
 
     // 验证结束节点
-    const endNodes = nodes.filter(node => node.getData()?.type === 'END');
+    const endNodes = nodes.filter(node => node.getData()?.type === 'endEvent');
     if (endNodes.length === 0) {
         result.errors.push('流程必须包含至少一个结束节点');
         result.valid = false;
@@ -39,17 +39,17 @@ export const validateFlow = (graph: Graph): ValidationResult => {
         const nodeType = nodeData?.type;
         const nodeName = nodeData?.name || '未命名';
         
-        if (nodeType === 'START' && incomingEdges.length > 0) {
+        if (nodeType === 'startEvent' && incomingEdges.length > 0) {
             result.errors.push('开始节点不能有入边');
             result.valid = false;
         }
         
-        if (nodeType === 'END' && outgoingEdges.length > 0) {
+        if (nodeType === 'endEvent' && outgoingEdges.length > 0) {
             result.errors.push('结束节点不能有出边');
             result.valid = false;
         }
         
-        if (nodeType !== 'START' && nodeType !== 'END' &&
+        if (nodeType !== 'startEvent' && nodeType !== 'endEvent' &&
             (incomingEdges.length === 0 || outgoingEdges.length === 0)) {
             result.errors.push(`节点 "${nodeName}" 未完全连接`);
             result.valid = false;
@@ -58,19 +58,23 @@ export const validateFlow = (graph: Graph): ValidationResult => {
 
     // 验证网关配对
     const validateGatewayPairs = () => {
-        const gatewayNodes = nodes.filter(node => node.getData()?.type === 'GATEWAY');
+        const gatewayNodes = nodes.filter(node => node.getData()?.type === 'exclusiveGateway');
         gatewayNodes.forEach(gateway => {
             const outgoingEdges = graph.getOutgoingEdges(gateway) || [];
             const incomingEdges = graph.getIncomingEdges(gateway) || [];
             const gatewayData = gateway.getData();
             const gatewayName = gatewayData?.name || '未命名';
             
-            if (gatewayData?.config?.type === 'PARALLEL' || 
-                gatewayData?.config?.type === 'INCLUSIVE') {
-                if (outgoingEdges.length < 2) {
-                    result.errors.push(`并行/包容网关 "${gatewayName}" 必须有至少两个出口`);
-                    result.valid = false;
-                }
+            // 排他网关必须至少有一个出口
+            if (outgoingEdges.length < 1) {
+                result.errors.push(`排他网关 "${gatewayName}" 必须至少有一个出口`);
+                result.valid = false;
+            }
+
+            // 排他网关必须有入口
+            if (incomingEdges.length < 1) {
+                result.errors.push(`排他网关 "${gatewayName}" 必须至少有一个入口`);
+                result.valid = false;
             }
         });
     };