diff --git a/src/common/common.js b/src/common/common.js
new file mode 100644
index 0000000..e761219
--- /dev/null
+++ b/src/common/common.js
@@ -0,0 +1,49 @@
+/*
+    작성자 : 공현지
+    작성일 : 2025-01-17
+    수정자 : 
+    수정일 : 
+    설명   : 공통 스크립트
+*/
+import Quill from 'quill';
+
+/*
+     *템플릿 사용법 : $common.변수  
+     *setup() 사용법 :
+      const { appContext } = getCurrentInstance();
+      const $common = appContext.config.globalProperties.$common; 
+      $common.변수  
+*/
+const common = {
+   // JSON 문자열로 Delta 타입을 변환
+  contentToHtml(content) {
+    try {
+      if (content.startsWith('{') || content.startsWith('[')) {
+        // Delta 형식으로 변환
+        const delta = JSON.parse(content);
+        const quill = new Quill(document.createElement('div'));
+        quill.setContents(delta);
+        return quill.root.innerHTML; // HTML 반환
+      }
+      return content; // 이미 HTML일 경우 그대로 반환
+    } catch (error) {
+      console.error('콘텐츠 변환 오류:', error);
+      return content; // 오류 발생 시 원본 반환
+    }
+  },
+  // Delta 타입을 JSON 문자열로 변환
+  deltaAsJson(content) {
+      if (content && content.ops) {
+        return JSON.stringify(content.ops); // Delta 객체에서 ops 속성만 JSON 문자열로 변환
+      }
+      console.error('잘못된 Delta 객체:', content);
+      return null; // Delta 객체가 아니거나 ops가 없을 경우 null 반환
+    }
+
+}
+
+export default {
+  install(app) {
+    app.config.globalProperties.$common = common;
+  }
+};
diff --git a/src/components/editor/QEditor.vue b/src/components/editor/QEditor.vue
index 8fb4538..321f170 100644
--- a/src/components/editor/QEditor.vue
+++ b/src/components/editor/QEditor.vue
@@ -46,20 +46,27 @@
         </div>
         <!-- 에디터가 표시될 div -->
         <div ref="editor"></div>
+
+        <!-- Alert 메시지 표시 -->
+        <div class="invalid-feedback" :class="isAlert ? 'd-block' : ''">내용을 확인해주세요.</div>   
     </div>
 </template>
 
 <script setup>
 import Quill from 'quill';
 import 'quill/dist/quill.snow.css';
-import { onMounted, ref, watch, defineEmits } from 'vue';
+import { onMounted, ref, watch, defineEmits, defineProps } from 'vue';
 import $api from '@api';
-
+const props = defineProps({
+    isAlert: {
+        type: Boolean,
+        default: false,
+    },
+});
 const editor = ref(null);
 const font = ref('nanum-gothic');
 const fontSize = ref('16px');
 const emit = defineEmits(['update:data']);
-
 onMounted(() => {
     const Font = Quill.import('formats/font');
     Font.whitelist = ['nanum-gothic', 'd2coding', 'consolas', 'serif', 'monospace'];
@@ -83,21 +90,23 @@ onMounted(() => {
     quillInstance.format('size', fontSize.value);
 
     quillInstance.on('text-change', () => {
-        emit('update:data', quillInstance.root.innerHTML);
+        const delta = quillInstance.getContents();  // Get Delta format
+        emit('update:data', delta);
     });
 
     watch([font, fontSize], () => {
         quillInstance.format('font', font.value);
         quillInstance.format('size', fontSize.value);
     });
-    // 이미지 업로드 
-    let imageUrls = new Set();
 
+    // Handle image upload
+    let imageUrls = new Set();
     quillInstance.getModule('toolbar').addHandler('image', () => {
         selectLocalImage();
     });
     quillInstance.on('text-change', (delta, oldDelta, source) => {
-        emit('update:data', quillInstance.root.innerHTML);
+        // Emit Delta when content changes
+        emit('update:data', quillInstance.getContents());
         delta.ops.forEach(op => {
             if (op.insert && typeof op.insert === 'object' && op.insert.image) {
                 const imageUrl = op.insert.image;
@@ -107,13 +116,11 @@ onMounted(() => {
             }
         });
     });
-
     async function selectLocalImage() {
         const input = document.createElement('input');
         input.setAttribute('type', 'file');
         input.setAttribute('accept', 'image/*');
         input.click();
-
         input.onchange = () => {
             const file = input.files[0];
             if (file) {
@@ -129,22 +136,21 @@ onMounted(() => {
 
                     imageUrls.add(fullImageUrl);
                 }).catch(e => {
-                    toastStore.onToast('잠시후 다시 시도해주세요.', 'e');               
+                    toastStore.onToast('잠시후 다시 시도해주세요.', 'e');
                 });
             }
         };
     }
     async function uploadImageToServer(formData) {
         try {
-            const response = await $api.post('img/upload', formData, { isFormData: true });
-            const imageUrl = response.data.data;  
-            return imageUrl;  
+            const response = await $api.post('quilleditor/upload', formData, { isFormData: true });
+            const imageUrl = response.data.data;
+            return imageUrl;
         } catch (error) {
             toastStore.onToast('잠시후 다시 시도해주세요.', 'e');
             throw error;
         }
     }
-
     function checkForDeletedImages() {
         const editorImages = document.querySelectorAll('#editor img');
         const currentImages = new Set(Array.from(editorImages).map(img => img.src));
@@ -156,14 +162,11 @@ onMounted(() => {
         });
     }
 });
-
 </script>
-
 <style>
 @import 'quill/dist/quill.snow.css';
-
 .ql-editor {
     min-height: 300px;
     font-family: 'Nanum Gothic', sans-serif;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/src/main.js b/src/main.js
index 12ed27d..05f6a5c 100644
--- a/src/main.js
+++ b/src/main.js
@@ -5,13 +5,15 @@ import App from './App.vue'
 import router from '@/router'
 import dayjs from '@p/dayjs'
 import ToastModal from '@c/modal/ToastModal.vue';
-
+import common from '@/common/common.js'
+   
 const pinia = createPinia()
 pinia.use(piniaPersist)
 
 const app = createApp(App)
 app.use(router)
     .use(pinia)
+    .use(common)
     .use(dayjs)
     .component('ToastModal',ToastModal)
     .mount('#app')