diff --git a/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/BomTaskHandler.java b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/BomTaskHandler.java
new file mode 100644
index 00000000..ed3fba7b
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/BomTaskHandler.java
@@ -0,0 +1,43 @@
+package com.ruoyi.common.handler.impl;
+
+import com.ruoyi.common.handler.TaskHandler;
+import com.ruoyi.common.service.IToDoItemService;
+import com.ruoyi.erp.domain.ErpBomVo;
+import com.ruoyi.erp.domain.ErpMaterialVo;
+import com.ruoyi.erp.service.IErpBomService;
+import org.activiti.engine.TaskService;
+import org.activiti.engine.runtime.ProcessInstance;
+import org.activiti.engine.task.Task;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.ModelMap;
+
+/**
+*  工程管理Bom代办处理类
+* */
+@Service("erpBom")
+public class BomTaskHandler implements TaskHandler {
+
+    @Autowired
+    private IErpBomService erpBomService;
+
+
+    @Autowired
+    private TaskService taskService;
+
+    @Autowired
+    private IToDoItemService toDoItemService;
+
+    @Override
+    public void handleTask(String taskId, ModelMap mmap) {
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        // 业务逻辑...
+        ProcessInstance processInstance = toDoItemService.getProcessInstance(taskId);
+
+        ErpBomVo erpBomVo = erpBomService.selectErpBomById(new Long(processInstance.getBusinessKey()));
+        mmap.put("formData", erpBomVo);
+        mmap.put("taskId", taskId);
+        String verifyName = task.getTaskDefinitionKey().substring(0, 1).toUpperCase() + task.getTaskDefinitionKey().substring(1);
+        mmap.put("verifyName", verifyName);
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/DevelopModifyOrderPickingTaskHandler.java b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/DevelopModifyOrderPickingTaskHandler.java
new file mode 100644
index 00000000..00e7a644
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/DevelopModifyOrderPickingTaskHandler.java
@@ -0,0 +1,42 @@
+package com.ruoyi.common.handler.impl;
+
+import com.ruoyi.common.handler.TaskHandler;
+import com.ruoyi.common.service.IToDoItemService;
+import com.ruoyi.erp.domain.vo.ErpDevelopModifyorderPickingVo;
+import com.ruoyi.erp.domain.vo.ErpDevelopModifyorderVo;
+import com.ruoyi.erp.service.IErpDevelopModifyorderPickingService;
+import org.activiti.engine.TaskService;
+import org.activiti.engine.runtime.ProcessInstance;
+import org.activiti.engine.task.Task;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.ModelMap;
+
+/**
+* 开发修改单领料代办处理类
+* */
+@Service("developModifyOrderPicking")
+public class DevelopModifyOrderPickingTaskHandler implements TaskHandler {
+
+
+    @Autowired
+    private IErpDevelopModifyorderPickingService erpDevelopModifyorderPickingService;
+
+    @Autowired
+    private TaskService taskService;
+
+    @Autowired
+    private IToDoItemService toDoItemService;
+    @Override
+    public void handleTask(String taskId, ModelMap mmap) {
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        // 业务逻辑...
+        ProcessInstance processInstance = toDoItemService.getProcessInstance(taskId);
+
+        ErpDevelopModifyorderPickingVo erpDevelopModifyorderPickingVo = erpDevelopModifyorderPickingService.selectErpDevelopModifyorderPickingById(new Long(processInstance.getBusinessKey()));
+        mmap.put("formData", erpDevelopModifyorderPickingVo);
+        mmap.put("taskId", taskId);
+        String verifyName = task.getTaskDefinitionKey().substring(0, 1).toUpperCase() + task.getTaskDefinitionKey().substring(1);
+        mmap.put("verifyName", verifyName);
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/DevelopModifyOrderTaskHandler.java b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/DevelopModifyOrderTaskHandler.java
new file mode 100644
index 00000000..771eef3c
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/DevelopModifyOrderTaskHandler.java
@@ -0,0 +1,42 @@
+package com.ruoyi.common.handler.impl;
+
+import com.ruoyi.common.handler.TaskHandler;
+import com.ruoyi.common.service.IToDoItemService;
+import com.ruoyi.erp.domain.ErpMaterialVo;
+import com.ruoyi.erp.domain.vo.ErpDevelopModifyorderVo;
+import com.ruoyi.erp.service.IErpDevelopModifyorderService;
+import org.activiti.engine.TaskService;
+import org.activiti.engine.runtime.ProcessInstance;
+import org.activiti.engine.task.Task;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.ModelMap;
+
+/**
+*   开发修改单代办处理类
+* */
+@Service("developModifyOrder")
+public class DevelopModifyOrderTaskHandler implements TaskHandler {
+
+    @Autowired
+    private IErpDevelopModifyorderService erpDevelopModifyorderService;
+
+    @Autowired
+    private TaskService taskService;
+
+    @Autowired
+    private IToDoItemService toDoItemService;
+    @Override
+    public void handleTask(String taskId, ModelMap mmap) {
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        // 业务逻辑...
+        ProcessInstance processInstance = toDoItemService.getProcessInstance(taskId);
+
+        ErpDevelopModifyorderVo erpDevelopModifyorderVo = erpDevelopModifyorderService.selectErpDevelopModifyorderById(new Long(processInstance.getBusinessKey()));
+        mmap.put("formData", erpDevelopModifyorderVo);
+        mmap.put("taskId", taskId);
+        String verifyName = task.getTaskDefinitionKey().substring(0, 1).toUpperCase() + task.getTaskDefinitionKey().substring(1);
+        mmap.put("verifyName", verifyName);
+
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/MaterialTaskHandler.java b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/MaterialTaskHandler.java
new file mode 100644
index 00000000..f6d9d2a4
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/common/handler/impl/MaterialTaskHandler.java
@@ -0,0 +1,44 @@
+package com.ruoyi.common.handler.impl;
+
+import com.ruoyi.common.handler.TaskHandler;
+import com.ruoyi.common.service.IToDoItemService;
+import com.ruoyi.erp.domain.ErpMaterialVo;
+import com.ruoyi.erp.service.IErpMaterialService;
+import com.ruoyi.system.domain.Vo.BaseRequisitioningOrderVo;
+import org.activiti.engine.TaskService;
+import org.activiti.engine.runtime.ProcessInstance;
+import org.activiti.engine.task.Task;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.ModelMap;
+
+/**
+*   工程管理物料代办处理类
+* */
+@Service("material")
+public class MaterialTaskHandler implements TaskHandler {
+
+
+    @Autowired
+    private IErpMaterialService erpMaterialService;
+
+
+    @Autowired
+    private TaskService taskService;
+
+    @Autowired
+    private IToDoItemService toDoItemService;
+
+    @Override
+    public void handleTask(String taskId, ModelMap mmap) {
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        // 业务逻辑...
+        ProcessInstance processInstance = toDoItemService.getProcessInstance(taskId);
+
+        ErpMaterialVo erpMaterialVo = erpMaterialService.selectErpMaterialById(new Long(processInstance.getBusinessKey()));
+        mmap.put("formData", erpMaterialVo);
+        mmap.put("taskId", taskId);
+        String verifyName = task.getTaskDefinitionKey().substring(0, 1).toUpperCase() + task.getTaskDefinitionKey().substring(1);
+        mmap.put("verifyName", verifyName);
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/common/service/impl/IToDoItemServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/common/service/impl/IToDoItemServiceImpl.java
index 57e98906..0895564a 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/common/service/impl/IToDoItemServiceImpl.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/common/service/impl/IToDoItemServiceImpl.java
@@ -58,6 +58,15 @@ public class IToDoItemServiceImpl implements IToDoItemService {
                 return "system/baseExpense";
             case "evection":
                 return "system/baseEvectionForm";
+            case "material":
+                return "erp/material";
+            case "erpBom":
+                return "erp/bom";
+            case "developModifyOrder":
+                return "erp/developModifyOrder";
+            case "developModifyOrderPicking":
+                return "erp/developModifyorderPicking";
+
             // 其他case...
             default:
                 return "defaultPrefix";