diff --git a/src/views/course/Courseware.vue b/src/views/course/Courseware.vue
index 5fbf2886..9c208dbf 100644
--- a/src/views/course/Courseware.vue
+++ b/src/views/course/Courseware.vue
@@ -159,7 +159,7 @@
             <el-table-column prop="fileName" label="文件名称"></el-table-column>
             <el-table-column prop="name" label="课件名称">
               <template slot-scope="scope">
-                <el-input type="text" v-model="scope.row.name"></el-input>
+                <el-input type="text" maxlength="50" v-model="scope.row.name"></el-input>
               </template>
             </el-table-column>
             <el-table-column prop="resType" label="类型" width="80">