diff --git a/src/views/tool/bcrypt.vue b/src/views/tool/bcrypt.vue
index 2caabed4c09b53bc3543b2cfb63a9b5258ed1000..1dc7bd170f6cea963717bfc19c82f215d89bdd22 100644
--- a/src/views/tool/bcrypt.vue
+++ b/src/views/tool/bcrypt.vue
@@ -76,7 +76,7 @@ export default {
             setTimeout(() => {
                 try {
                     const rounds = parseInt(this.current.generate.rounds)
-                    if (rounds < 1 || rounds > 30) {
+                    if (rounds < 4 || rounds > 30) {
                         throw new Error(this.$t('bcrypt_rounds_range', [4, 30]).toString())
                     }
                     bcrypt.hash(this.current.generate.password, rounds, (err, hash) => {