优化

src/views/system/dictionary/components/dict-edit.vue

@@ -28,7 +28,7 @@
           <el-form-item label="字典值:" prop="code">
             <el-input
               clearable
-            
+              :disabled="isUpdate"
               :maxlength="50"
               v-model="form.code"
               placeholder="请输入字典值"