diff --git a/src/utils/validator.ts b/src/utils/validator.ts
index 5014ed83d..60671f771 100644
--- a/src/utils/validator.ts
+++ b/src/utils/validator.ts
@@ -729,7 +729,7 @@ function trim(str) {
 //校验只可输入大小写字母及数字
 export function validateYS(rule, value, callback) {
     if (value) {
-        const regs = /^[a-zA-Z0-9]+$/
+        const regs = /^[a-zA-Z0-9-_]+$/
         if(regs.test(value)){
             callback()
         } else {