diff --git a/layers/templates/CtLayout01/index.vue b/layers/templates/CtLayout01/index.vue
index 6455c5b..41f4733 100644
--- a/layers/templates/CtLayout01/index.vue
+++ b/layers/templates/CtLayout01/index.vue
@@ -254,6 +254,23 @@
     return html
   })
 
+  // src 속성에 http/https가 없으면 assetBaseUrl 붙이기
+  const resolveHtmlSrcUrls = (html: string): string => {
+    const base = assetBaseUrl.value || ''
+    if (!base) return html
+
+    return html.replace(
+      /(<[^>]+\s)src\s*=\s*(["'])([^"']+)\2/gi,
+      (_match, prefix: string, quote: string, srcValue: string) => {
+        if (/^https?:\/\//i.test(srcValue)) {
+          return `${prefix}src=${quote}${srcValue}${quote}`
+        }
+        const resolvedUrl = base + srcValue.replace(/^\//, '')
+        return `${prefix}src=${quote}${resolvedUrl}${quote}`
+      },
+    )
+  }
+
   // 렌더링용 HTML
   // - link/script는 head/body로 별도 주입 (렌더 위치에 남기지 않음)
   // - style은 "그 자리에 그대로" 렌더링하되, 적용 안정성을 위해 head에도 복제 주입함
@@ -261,11 +278,15 @@
     const html = customContentsRaw.value
     if (!html) return ''
 
-    return html
+    let result = html
       // link 태그 제거
       .replace(/<link\b[^>]*>/gi, '')
       // script 블록 제거
       .replace(/<script\b[^>]*>[\s\S]*?<\/script>/gi, '')
+
+    result = resolveHtmlSrcUrls(result)
+
+    return result
   })
   
   type OrderedAsset =