diff --git a/nezha-fronted/src/components/common/js/validate.js b/nezha-fronted/src/components/common/js/validate.js
index 9854916bd..3222a1bdf 100644
--- a/nezha-fronted/src/components/common/js/validate.js
+++ b/nezha-fronted/src/components/common/js/validate.js
@@ -135,7 +135,7 @@ export function uSize(rule, value, callback){
       callback(new Error(vm.$t('validate.number')))
     }else{
       let num=Number(value);
-      if(num<0 || num > 49 ){
+      if(num<0 || num > 47 ){
         callback(new Error(vm.$t('validate.usize')))
       }else{
         callback();
diff --git a/nezha-fronted/src/components/common/language/en.js b/nezha-fronted/src/components/common/language/en.js
index 50d8a641c..3319612ed 100644
--- a/nezha-fronted/src/components/common/language/en.js
+++ b/nezha-fronted/src/components/common/language/en.js
@@ -353,7 +353,7 @@ const en = {
     tel:'Invalid phone number',//'不合法的电话号码'
     host:'Invalid Host',//'不合法的Host'
     domain:'Invalid domain',
-    usize:'Must be number(1 - 49)',
+    usize:'Must be number(1 - 47)',
     fileSize:'File exceed max size',//File exceed max size.
     port:'Invalid port',
     url:'Invalid URL',