diff --git a/sheep/ui/su-number-box/su-number-box.vue b/sheep/ui/su-number-box/su-number-box.vue
index 4f3d5924f8a23953bbd583444ff343a7b1ab6cbf..1821c937c59e6814acab646ef1723834a28d4112 100644
--- a/sheep/ui/su-number-box/su-number-box.vue
+++ b/sheep/ui/su-number-box/su-number-box.vue
@@ -177,6 +177,8 @@
         this.inputValue = value.toFixed(String(scale).length - 1);
         this.$emit('change', +this.inputValue);
         this.$emit('input', +this.inputValue);
+        // vue3 兼容
+        this.$emit('update:modelValue', +this.inputValue);
       },
       _onFocus(event) {
         this.$emit('focus', event);