diff --git a/src/views/iot/devicemodel/DeviceModelForm.vue b/src/views/iot/devicemodel/DeviceModelForm.vue
index 7d65f7d7..afaa18e2 100644
--- a/src/views/iot/devicemodel/DeviceModelForm.vue
+++ b/src/views/iot/devicemodel/DeviceModelForm.vue
@@ -11,7 +11,9 @@
         <el-input
           v-model="formData.code"
           :placeholder="t('DataCollection.DeviceModel.placeholderCode')"
-          :disabled = "formType === 'update'"/>
+          :disabled = "formType === 'update'"
+          @input="onCodeInput"
+        />
       </el-form-item>
       <el-form-item :label="t('DataCollection.DeviceModel.name')" prop="name">
         <el-input
@@ -64,6 +66,13 @@ const formData = ref({
   protocol: undefined,
   remark: undefined,
 })
+const onCodeInput = (val: string) => {
+  if (typeof val !== 'string') return
+  const filtered = val.replace(/[^0-9a-zA-Z_\-]/g, '')
+  if (filtered !== val) {
+    formData.value.code = filtered
+  }
+}
 const formRules = reactive({
   code: [{ required: true, message: t('DataCollection.DeviceModel.validatorCodeRequired'), trigger: 'blur' }],
   name: [{ required: true, message: t('DataCollection.DeviceModel.validatorNameRequired'), trigger: 'blur' }],