diff --git a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineFlowController.java b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineFlowController.java
index b2fc04253..d74deff40 100644
--- a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineFlowController.java
+++ b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineFlowController.java
@@ -11,6 +11,7 @@ import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.pig4cloud.pigx.common.core.util.R;
+import com.pig4cloud.pigx.common.data.tenant.TenantContextHolder;
 import com.pig4cloud.pigx.flow.engine.utils.ModelUtil;
 import com.pig4cloud.pigx.flow.task.dto.*;
 import com.pig4cloud.pigx.flow.task.entity.Process;
@@ -83,7 +84,8 @@ public class EngineFlowController {
             log.debug("部署时的模型文件：{}", filename);
             FileUtil.writeBytes(bpmnBytess, filename);
         }
-        repositoryService.createDeployment().addBpmnModel(StrUtil.format("{}.bpmn20.xml", "pig"), bpmnModel).deploy();
+        repositoryService.createDeployment().addBpmnModel(StrUtil.format("{}.bpmn20.xml", "pig"), bpmnModel)
+                .tenantId(TenantContextHolder.getTenantId().toString()).deploy();
 
         return R.ok(flowId);
     }
@@ -97,8 +99,8 @@ public class EngineFlowController {
     @PostMapping("/start")
     public R start(@RequestBody ProcessInstanceParamDto processInstanceParamDto) {
         Authentication.setAuthenticatedUserId(processInstanceParamDto.getStartUserId());
-        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(processInstanceParamDto.getFlowId(),
-                processInstanceParamDto.getParamMap());
+        ProcessInstance processInstance = runtimeService.startProcessInstanceByKeyAndTenantId(processInstanceParamDto.getFlowId(),
+                processInstanceParamDto.getParamMap(), TenantContextHolder.getTenantId().toString());
 
         String processInstanceId = processInstance.getProcessInstanceId();
         return R.ok(processInstanceId);
@@ -134,6 +136,7 @@ public class EngineFlowController {
             // 查询流程实例
             ProcessInstance processInstance = runtimeService.createProcessInstanceQuery()
                     .processInstanceId(processInstanceId)
+                    .processInstanceTenantId(TenantContextHolder.getTenantId().toString())
                     .singleResult();
             if (Optional.ofNullable(processInstance).isPresent()) {
                 // 查询执行实例
@@ -239,6 +242,7 @@ public class EngineFlowController {
         if (StrUtil.isNotBlank(taskQueryParamDto.getProcessName())) {
             List<ProcessInstance> processInstanceList = runtimeService.createProcessInstanceQuery()
                     .processDefinitionName(taskQueryParamDto.getProcessName())
+                    .processInstanceTenantId(TenantContextHolder.getTenantId().toString())
                     .list();
             if (CollUtil.isNotEmpty(processInstanceList)) {
                 taskQuery.processInstanceIdIn(processInstanceList.stream()
diff --git a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineProcessInstanceController.java b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineProcessInstanceController.java
index be2d2b0e5..0f039c7df 100644
--- a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineProcessInstanceController.java
+++ b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/controller/EngineProcessInstanceController.java
@@ -1,6 +1,7 @@
 package com.pig4cloud.pigx.flow.engine.controller;
 
 import com.pig4cloud.pigx.common.core.util.R;
+import com.pig4cloud.pigx.common.data.tenant.TenantContextHolder;
 import com.pig4cloud.pigx.flow.task.dto.IndexPageStatistics;
 import com.pig4cloud.pigx.flow.task.dto.VariableQueryParamDto;
 import lombok.RequiredArgsConstructor;
@@ -12,6 +13,7 @@ import org.flowable.engine.history.HistoricActivityInstanceQuery;
 import org.flowable.task.api.TaskQuery;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -23,49 +25,54 @@ import java.util.Map;
 @RequestMapping("/process-instance")
 public class EngineProcessInstanceController {
 
-	private final TaskService taskService;
+    private final TaskService taskService;
 
-	private final HistoryService historyService;
+    private final HistoryService historyService;
 
-	private final RuntimeService runtimeService;
+    private final RuntimeService runtimeService;
 
-	/**
-	 * 查询首页统计数量
-	 * @param userId 用户ID
-	 * @return 统计结果
-	 */
-	@GetMapping("querySimpleData")
-	public R<IndexPageStatistics> querySimpleData(long userId) {
-		TaskQuery taskQuery = taskService.createTaskQuery();
+    /**
+     * 查询首页统计数量
+     *
+     * @param userId 用户ID
+     * @return 统计结果
+     */
+    @GetMapping("querySimpleData")
+    public R<IndexPageStatistics> querySimpleData(long userId) {
+        TaskQuery taskQuery = taskService.createTaskQuery();
 
-		// 待办数量
-		long pendingNum = taskQuery.taskAssignee(String.valueOf(userId)).count();
-		// 已完成任务
-		HistoricActivityInstanceQuery historicActivityInstanceQuery = historyService
-			.createHistoricActivityInstanceQuery();
+        // 待办数量
+        long pendingNum = taskQuery.taskAssignee(String.valueOf(userId))
+                .taskTenantId(TenantContextHolder.getTenantId().toString())
+                .count();
+        // 已完成任务
+        HistoricActivityInstanceQuery historicActivityInstanceQuery = historyService
+                .createHistoricActivityInstanceQuery();
 
-		long completedNum = historicActivityInstanceQuery.taskAssignee(String.valueOf(userId)).finished().count();
+        long completedNum = historicActivityInstanceQuery.taskAssignee(String.valueOf(userId))
+                .tenantIdIn(List.of(TenantContextHolder.getTenantId().toString())).finished().count();
 
-		IndexPageStatistics indexPageStatistics = IndexPageStatistics.builder()
-			.pendingNum(pendingNum)
-			.completedNum(completedNum)
-			.build();
+        IndexPageStatistics indexPageStatistics = IndexPageStatistics.builder()
+                .pendingNum(pendingNum)
+                .completedNum(completedNum)
+                .build();
 
-		return R.ok(indexPageStatistics);
-	}
+        return R.ok(indexPageStatistics);
+    }
 
-	/**
-	 * 查询流程变量
-	 * @param paramDto 查询参数
-	 * @return 流程变量
-	 */
-	@PostMapping("queryVariables")
-	public R queryVariables(@RequestBody VariableQueryParamDto paramDto) {
+    /**
+     * 查询流程变量
+     *
+     * @param paramDto 查询参数
+     * @return 流程变量
+     */
+    @PostMapping("queryVariables")
+    public R queryVariables(@RequestBody VariableQueryParamDto paramDto) {
 
-		Map<String, Object> variables = runtimeService.getVariables(paramDto.getExecutionId());
+        Map<String, Object> variables = runtimeService.getVariables(paramDto.getExecutionId());
 
-		return R.ok(variables);
+        return R.ok(variables);
 
-	}
+    }
 
 }
diff --git a/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/service/ITaskService.java b/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/service/ITaskService.java
index 82698ecde..16529694d 100644
--- a/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/service/ITaskService.java
+++ b/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/service/ITaskService.java
@@ -10,57 +10,65 @@ public interface ITaskService {
 
 	/**
 	 * 查询任务
-	 * @param taskId
-	 * @param view
-	 * @return
+	 *
+	 * @param taskId 任务ID
+	 * @param view   是否查看
+	 * @return 查询结果
 	 */
 	R queryTask(String taskId, boolean view);
 
 	/**
 	 * 完成任务
-	 * @param taskParamDto
-	 * @return
+	 *
+	 * @param taskParamDto 任务参数DTO
+	 * @return 任务执行结果
 	 */
 	R completeTask(TaskParamDto taskParamDto);
 
 	/**
-	 * 前加签
-	 * @param taskParamDto
-	 * @return
+	 * 委托任务（前加签）
+	 *
+	 * @param taskParamDto 任务参数DTO
+	 * @return 委托任务结果
 	 */
 	R delegateTask(TaskParamDto taskParamDto);
 
 	/**
 	 * 加签完成任务
-	 * @param taskParamDto
-	 * @return
+	 *
+	 * @param taskParamDto 任务参数DTO
+	 * @return 任务处理结果
 	 */
 	R resolveTask(TaskParamDto taskParamDto);
 
 	/**
-	 * 设置执行人
-	 * @param taskParamDto
-	 * @return
+	 * 设置任务执行人
+	 *
+	 * @param taskParamDto 任务参数DTO
+	 * @return 操作结果
 	 */
 	R setAssignee(TaskParamDto taskParamDto);
 
 	/**
-	 * 结束流程
-	 * @param taskParamDto
-	 * @return
+	 * 结束流程实例
+	 *
+	 * @param taskParamDto 任务参数DTO
+	 * @return 操作结果
 	 */
 	R stopProcessInstance(TaskParamDto taskParamDto);
 
 	/**
-	 * 退回
-	 * @param taskParamDto
-	 * @return
+	 * 退回任务
+	 *
+	 * @param taskParamDto 任务参数DTO
+	 * @return 操作结果
 	 */
 	R back(TaskParamDto taskParamDto);
 
 	/**
 	 * 查询首页数据看板
-	 * @return
+	 *
+	 * @return 任务数据结果
 	 */
 	R queryTaskData();