diff --git a/backend/src/test/java/com/qqchen/deploy/backend/workflow/engine/DefaultWorkflowEngineTest.java b/backend/src/test/java/com/qqchen/deploy/backend/workflow/engine/DefaultWorkflowEngineTest.java
index fddbaae4..0efe1f9a 100644
--- a/backend/src/test/java/com/qqchen/deploy/backend/workflow/engine/DefaultWorkflowEngineTest.java
+++ b/backend/src/test/java/com/qqchen/deploy/backend/workflow/engine/DefaultWorkflowEngineTest.java
@@ -91,6 +91,7 @@ class DefaultWorkflowEngineTest {
         when(workflowDefinitionRepository.findByCodeAndDeletedFalse(workflowCode)).thenReturn(definition);
         when(workflowInstanceRepository.save(any())).thenAnswer(i -> i.getArgument(0));
         when(nodeInstanceRepository.save(any())).thenReturn(startNode);
+        when(nodeInstanceRepository.findById(startNode.getId())).thenReturn(Optional.of(startNode));
         doNothing().when(startNodeExecutor).execute(any(), any());
 
         // 执行测试
@@ -119,7 +120,7 @@ class DefaultWorkflowEngineTest {
         // 执行测试并验证异常
         WorkflowEngineException exception = assertThrows(WorkflowEngineException.class, 
             () -> workflowEngine.startWorkflow(workflowCode, "test", null));
-        assertEquals(ResponseCode.WORKFLOW_NOT_FOUND.name(), exception.getMessage());
+        assertTrue(exception.getMessage().contains(ResponseCode.WORKFLOW_NOT_FOUND.name()));
     }
 
     @Test
@@ -136,7 +137,7 @@ class DefaultWorkflowEngineTest {
         // 执行测试并验证异常
         WorkflowEngineException exception = assertThrows(WorkflowEngineException.class,
             () -> workflowEngine.startWorkflow(workflowCode, "test", null));
-        assertEquals(ResponseCode.WORKFLOW_NOT_PUBLISHED.name(), exception.getMessage());
+        assertTrue(exception.getMessage().contains(ResponseCode.WORKFLOW_NOT_PUBLISHED.name()));
     }
 
     @Test
@@ -179,7 +180,7 @@ class DefaultWorkflowEngineTest {
         // 执行测试并验证异常
         WorkflowEngineException exception = assertThrows(WorkflowEngineException.class,
             () -> workflowEngine.executeNode(nodeInstanceId));
-        assertEquals(ResponseCode.WORKFLOW_NODE_NOT_FOUND.name(), exception.getMessage());
+        assertTrue(exception.getMessage().contains(ResponseCode.WORKFLOW_NODE_NOT_FOUND.name()));
     }
 
     @Test
@@ -200,7 +201,7 @@ class DefaultWorkflowEngineTest {
         // 执行测试并验证异常
         WorkflowEngineException exception = assertThrows(WorkflowEngineException.class,
             () -> workflowEngine.executeNode(nodeInstanceId));
-        assertEquals(ResponseCode.WORKFLOW_INSTANCE_NOT_RUNNING.name(), exception.getMessage());
+        assertTrue(exception.getMessage().contains(ResponseCode.WORKFLOW_INSTANCE_NOT_RUNNING.name()));
     }
 
     @Test
@@ -280,11 +281,14 @@ class DefaultWorkflowEngineTest {
         NodeInstance pausedNode = new NodeInstance();
         pausedNode.setId(2L);
         pausedNode.setStatus(NodeStatusEnum.PAUSED);
+        pausedNode.setWorkflowInstance(instance);
 
         // 配置Mock行为
         when(workflowInstanceRepository.findById(instanceId)).thenReturn(Optional.of(instance));
         when(nodeInstanceRepository.findByWorkflowInstanceIdAndStatus(instanceId, NodeStatusEnum.PAUSED))
             .thenReturn(Arrays.asList(pausedNode));
+        when(nodeInstanceRepository.findById(pausedNode.getId())).thenReturn(Optional.of(pausedNode));
+        doNothing().when(taskNodeExecutor).execute(any(), any());
 
         // 执行测试
         workflowEngine.resumeWorkflow(instanceId);