diff --git a/src/components/input/FormInput.vue b/src/components/input/FormInput.vue
index a51c16c..d1ad6fd 100644
--- a/src/components/input/FormInput.vue
+++ b/src/components/input/FormInput.vue
@@ -15,6 +15,7 @@
                 :disabled="disabled"
                 :min="min"
                 @focusout="$emit('focusout', modelValue)"
+                @input="handleInput"
             />
             <div class="invalid-feedback" :class="isAlert ? 'd-block' : ''">
                 {{ title }}을 확인해주세요.
@@ -92,11 +93,6 @@ const inputValue = ref(props.modelValue);
 // 부모로 데이터 업데이트
 watch(inputValue, (newValue) => {
     emits('update:modelValue', newValue);
-
-    // 값이 입력될 때 `alert`를 false로 설정
-    if (newValue.trim() !== '') {
-        emits('update:alert', false);
-    }
 });
 
 // 초기값 동기화
@@ -106,6 +102,13 @@ watch(() => props.modelValue, (newValue) => {
     }
 });
 
+const handleInput = (event) => {
+    const newValue = event.target.value.slice(0, props.maxlength);
+
+    if (newValue.trim() !== '') {
+        emits('update:alert', false);
+    }
+};
 
 </script>