diff --git a/src/views/dataCenter/mirror/child/customDialog.vue b/src/views/dataCenter/mirror/child/customDialog.vue
index ecf35f5d..0961adce 100644
--- a/src/views/dataCenter/mirror/child/customDialog.vue
+++ b/src/views/dataCenter/mirror/child/customDialog.vue
@@ -5,7 +5,7 @@
     >
       <el-form ref="form" :model="form" :rules="rules" label-width="80px">
         <el-form-item label="镜像名称" prop="mirrorName">
-          <el-input v-model="form.mirrorName" maxlength="100" placeholder="请输入镜像名称"/>
+          <el-input v-model="form.mirrorName" maxlength="50" placeholder="请输入镜像名称"/>
         </el-form-item>
         <el-form-item label="镜像版本" prop="mirrorVersion">
           <el-input v-model="form.mirrorVersion" placeholder="请输入镜像名称"/>