diff --git a/src/api/server/axiosInstance.ts b/src/api/server/axiosInstance.ts
index 8607f59..8fb273d 100644
--- a/src/api/server/axiosInstance.ts
+++ b/src/api/server/axiosInstance.ts
@@ -168,7 +168,11 @@ const createAxiosInstance = (module: APIConfigKeys, config: Config) => {
     },
     (error: any): Promise<any> => {
       if (isCancel(error)) {
-        return Promise.resolve()
+        return Promise.reject({
+          name: 'CanceledError',
+          message: 'canceled',
+          code: 10001
+        })
       }
       const message = '请求错误'
       if (error.code === 'ECONNABORTED') {
@@ -211,7 +215,6 @@ const createAxiosInstance = (module: APIConfigKeys, config: Config) => {
       const result = (await service(config)) as Result<T>
       return result
     } catch (err: any) {
-      console.log(err)
       const result: Result<T> = {
         code: err?.code || -1,
         msg: err.msg || err.message,
diff --git a/src/views/engineering/components/channel-dlg.vue b/src/views/engineering/components/channel-dlg.vue
index a9c13f1..0d097a0 100644
--- a/src/views/engineering/components/channel-dlg.vue
+++ b/src/views/engineering/components/channel-dlg.vue
@@ -131,7 +131,6 @@ function open(item?: ICustomFormData) {
 async function onSave() {
   if (verifyData()) return
   emit('on-save', form.value)
-  message.success('保存成功')
   close()
 }
 
diff --git a/src/views/engineering/config/components/StepChannel.vue b/src/views/engineering/config/components/StepChannel.vue
index 9571c37..2ed8435 100644
--- a/src/views/engineering/config/components/StepChannel.vue
+++ b/src/views/engineering/config/components/StepChannel.vue
@@ -17,7 +17,6 @@
         >
           <el-scrollbar>
             <div class="grid grid-cols-[repeat(auto-fill,minmax(300px,1fr))] gap-4 p-4">
-              <!-- Add Channel Card -->
               <div
                 class="bg-white rounded-xl shadow-sm p-12 border-2 border-dashed border-gray-200 hover:border-blue-400 transition-all duration-300 cursor-pointer flex items-center justify-center min-h-[200px]"
                 @click="handleAdd"
@@ -88,7 +87,20 @@
           </el-scrollbar>
         </el-tab-pane>
       </el-tabs>
-      <el-empty v-else description="暂无通道，请点击上方按钮添加" />
+      <div v-else>
+        <div
+          class="bg-white rounded-xl w-340 shadow-sm p-12 border-2 border-dashed border-gray-200 hover:border-blue-400 transition-all duration-300 cursor-pointer flex items-center justify-center min-h-[200px]"
+          @click="handleAdd"
+        >
+          <div class="flex flex-col items-center gap-3">
+            <el-icon :size="48" class="text-gray-400">
+              <Plus />
+            </el-icon>
+            <span class="text-base font-medium text-gray-600">新增通道</span>
+          </div>
+        </div>
+        <el-empty description="暂无通道数据" />
+      </div>
     </div>
 
     <ChannelDlg
diff --git a/src/views/engineering/config/components/StepDevice.vue b/src/views/engineering/config/components/StepDevice.vue
index 53a4e20..0340d27 100644
--- a/src/views/engineering/config/components/StepDevice.vue
+++ b/src/views/engineering/config/components/StepDevice.vue
@@ -17,7 +17,6 @@
         >
           <el-scrollbar>
             <div class="grid grid-cols-[repeat(auto-fill,minmax(300px,1fr))] gap-4 p-4">
-              <!-- Add Device Card -->
               <div
                 class="bg-white rounded-xl shadow-sm p-12 border-2 border-dashed border-gray-200 hover:border-blue-400 transition-all duration-300 cursor-pointer flex items-center justify-center min-h-[200px]"
                 @click="handleAdd"
@@ -87,7 +86,20 @@
           </el-scrollbar>
         </el-tab-pane>
       </el-tabs>
-      <el-empty v-else description="暂无设备，请点击上方按钮添加" />
+      <div v-else>
+        <div
+          class="bg-white rounded-xl w-340 shadow-sm p-12 border-2 border-dashed border-gray-200 hover:border-blue-400 transition-all duration-300 cursor-pointer flex items-center justify-center min-h-[200px]"
+          @click="handleAdd"
+        >
+          <div class="flex flex-col items-center gap-3">
+            <el-icon :size="48" class="text-gray-400">
+              <Plus />
+            </el-icon>
+            <span class="text-base font-medium text-gray-600">新增设备</span>
+          </div>
+        </div>
+        <el-empty description="暂无设备数据" />
+      </div>
     </div>
 
     <DeviceDlg
diff --git a/src/views/engineering/config/components/StepDeviceCategory.vue b/src/views/engineering/config/components/StepDeviceCategory.vue
index 401f57f..cb5053e 100644
--- a/src/views/engineering/config/components/StepDeviceCategory.vue
+++ b/src/views/engineering/config/components/StepDeviceCategory.vue
@@ -120,13 +120,22 @@
           </el-scrollbar>
         </el-tab-pane>
       </el-tabs>
-      <el-empty
-        v-if="Object.keys(modelValue).length === 0"
-        description="暂无设备类别，请点击上方按钮添加"
-      />
+      <div v-if="Object.keys(modelValue).length === 0">
+        <div
+          class="bg-white rounded-xl w-340 shadow-sm p-12 border-2 border-dashed border-gray-200 hover:border-blue-400 transition-all duration-300 cursor-pointer flex items-center justify-center min-h-[200px]"
+          @click="handleAdd"
+        >
+          <div class="flex flex-col items-center gap-3">
+            <el-icon :size="48" class="text-gray-400">
+              <Plus />
+            </el-icon>
+            <span class="text-base font-medium text-gray-600">新增设备类别</span>
+          </div>
+        </div>
+        <el-empty description="暂无设备类别，请点击上方按钮添加" />
+      </div>
     </div>
 
-    <!-- Create/Edit Category Dialog -->
     <el-dialog
       v-model="dialogVisible"
       :title="'新增设备类别'"
@@ -167,7 +176,7 @@ import { useRoute } from 'vue-router'
 import { UploadFilled, Plus } from '@element-plus/icons-vue'
 import type { IDeviceCategoryList, IDeviceCategoryOV } from '@/api/module/device/index.d'
 import type { FormInstance, FormRules, UploadFile } from 'element-plus'
-import { ElMessage } from 'element-plus'
+import { ElMessage, ElMessageBox } from 'element-plus'
 import { createDeviceType, uploadDeviceTypeFile } from '@/api/module/device/category'
 import { ChannelEnum } from '@/api/module/channel/index'
 import type { IChannelOV } from '@/api/module/channel/index.d'
@@ -271,7 +280,6 @@ const setUploadRef = (el: any, key: string) => {
 
 const handleFileChange = async (file: UploadFile, fileName: string) => {
   if (!file.raw) return
-
   const controller = new AbortController()
   uploadControllers[fileName] = controller
   uploadingStates[fileName] = true
@@ -285,17 +293,15 @@ const handleFileChange = async (file: UploadFile, fileName: string) => {
       },
       controller,
     )
-    if (res.code === 0) {
-      ElMessage.success('上传成功')
-      emit('on-load-device-categoty')
-    } else {
-      ElMessage.error(res.msg || '上传失败')
-    }
-  } catch (error: any) {
-    if (error.name === 'CanceledError' || error.message === 'canceled') {
-      ElMessage.info('上传已取消')
-    } else {
-      ElMessage.error('上传失败')
+    if (res) {
+      if (res.code === 0) {
+        ElMessage.success('上传成功')
+        emit('on-load-device-categoty')
+      } else if (res.code === 10001) {
+        ElMessage.success('取消成功')
+      } else {
+        ElMessage.error(res.msg || '上传失败')
+      }
     }
   } finally {
     delete uploadControllers[fileName]
@@ -312,6 +318,48 @@ const handleCancelUpload = (fileName: string) => {
     uploadingStates[fileName] = false
   }
 }
+
+// Check if there are any uploading files
+const hasUploadingFiles = () => {
+  return Object.values(uploadingStates).some(state => state === true)
+}
+
+// Cancel all uploads
+const cancelAllUploads = () => {
+  Object.keys(uploadControllers).forEach(fileName => {
+    handleCancelUpload(fileName)
+  })
+}
+
+// Check before leaving step
+const checkBeforeLeave = async (): Promise<boolean> => {
+  if (!hasUploadingFiles()) {
+    return true
+  }
+
+  return new Promise(resolve => {
+    ElMessageBox.confirm(
+      '当前有文件正在上传，离开将取消所有上传任务，是否确定离开？',
+      '提示',
+      {
+        confirmButtonText: '确定离开',
+        cancelButtonText: '取消',
+        type: 'warning',
+      },
+    )
+      .then(() => {
+        cancelAllUploads()
+        resolve(true)
+      })
+      .catch(() => {
+        resolve(false)
+      })
+  })
+}
+
+defineExpose({
+  checkBeforeLeave,
+})
 </script>
 
 <style scoped>
diff --git a/src/views/engineering/config/index.vue b/src/views/engineering/config/index.vue
index 55bee26..09bca7a 100644
--- a/src/views/engineering/config/index.vue
+++ b/src/views/engineering/config/index.vue
@@ -22,19 +22,19 @@
             <el-step
               title="1.通道管理"
               :icon="Connection"
-              @click="currentStep = 'channel'"
+              @click="handleStepClick('channel')"
               class="cursor-pointer"
             />
             <el-step
               title="2.设备类别"
               :icon="Collection"
-              @click="currentStep = 'category'"
+              @click="handleStepClick('category')"
               class="cursor-pointer"
             />
             <el-step
               title="3.设备管理"
               :icon="Monitor"
-              @click="currentStep = 'device'"
+              @click="handleStepClick('device')"
               class="cursor-pointer"
             />
           </el-steps>
@@ -64,6 +64,7 @@
           <keep-alive>
             <component
               :is="currentStepComponent"
+              ref="currentComponentRef"
               v-model="currentModel as any"
               v-bind="currentProps"
               @on-load-device-categoty="loadCategoryList"
@@ -111,6 +112,7 @@ const activeStep = computed(() => steps.indexOf(currentStep.value))
 const channels = ref<IChannelOV>({})
 const categories = ref<IDeviceCategoryList>({})
 const devices = ref<IDeviceOV>({})
+const currentComponentRef = ref<any>(null)
 const loading = ref(false)
 
 const currentStepComponent = computed(() => {
@@ -168,6 +170,17 @@ const currentProps = computed(() => {
   return {}
 })
 
+const handleStepClick = async (step: Step) => {
+  if (currentStep.value === step) return
+
+  if (currentComponentRef.value?.checkBeforeLeave) {
+    const canLeave = await currentComponentRef.value.checkBeforeLeave()
+    if (!canLeave) return
+  }
+
+  currentStep.value = step
+}
+
 const goBack = () => {
   router.push('/engineering')
 }
@@ -177,6 +190,10 @@ const prevStep = async () => {
   if (currentStep.value === 'channel') {
     await loadChannelList()
   }
+  if (currentComponentRef.value?.checkBeforeLeave) {
+    const canLeave = await currentComponentRef.value.checkBeforeLeave()
+    if (!canLeave) return
+  }
   if (index > 0) {
     currentStep.value = steps[index - 1]
   }
@@ -188,11 +205,32 @@ const nextStep = async () => {
     await saveChannelList()
   }
 
+  if (currentComponentRef.value?.checkBeforeLeave) {
+    const canLeave = await currentComponentRef.value.checkBeforeLeave()
+    if (!canLeave) return
+  }
+
   if (index < steps.length - 1) {
     currentStep.value = steps[index + 1]
   }
 }
 
+/*
+
+const nextStep = async () => {
+  if (currentComponentRef.value?.checkBeforeLeave) {
+    const canLeave = await currentComponentRef.value.checkBeforeLeave()
+    if (!canLeave) return
+  }
+
+  if (currentStep.value === 'channel') {
+    currentStep.value = 'category'
+  } else if (currentStep.value === 'category') {
+    currentStep.value = 'device'
+  }
+}
+*/
+
 const handleFinish = async () => {
   loading.value = true
   try {