diff --git a/hxy-web/html/wireManager/project/projectAdd.html b/hxy-web/html/wireManager/project/projectAdd.html
index ca139e1..63f0259 100644
--- a/hxy-web/html/wireManager/project/projectAdd.html
+++ b/hxy-web/html/wireManager/project/projectAdd.html
@@ -84,7 +84,7 @@
                         <label class="layui-form-label" style="width: 116px;"><i class="tip-required"
                                 style="color: red;font-size: 20px">*</i>电压等级：</label>
                         <div class="layui-input-inline">
-                            <input type="text" name="volLevel" id="volLevel" class="layui-input" lay-verify="required" maxlength="40" placeholder="请填写" style="width: 425px">
+                            <input type="text" name="volLevel" id="volLevel" class="layui-input" lay-verify="required" maxlength="20" placeholder="请填写" style="width: 425px">
                         </div>
                     </div>
                 </div>