diff --git a/src/nuxt.config.js b/src/nuxt.config.js
index 4720f49fa1..6dc7527023 100644
--- a/src/nuxt.config.js
+++ b/src/nuxt.config.js
@@ -164,16 +164,19 @@ const nuxtConfig = {
             ],
             brand: [
               {
+                '@context': 'http://www.schema.org',
                 '@type': 'Brand',
                 url: 'https://liker.land/about/writing-nft',
                 name: 'Writing NFT',
               },
               {
+                '@context': 'http://www.schema.org',
                 '@type': 'Brand',
                 url: 'https://liker.land/about/nft-book',
                 name: 'NFT Book',
               },
               {
+                '@context': 'http://www.schema.org',
                 '@type': 'Brand',
                 url: 'https://liker.land/civic',
                 name: 'Civic Liker',
@@ -188,42 +191,7 @@ const nuxtConfig = {
             operatingSystem: 'All',
             url: 'https://liker.land',
             offers: {
-              '@type': 'Offer',
-              price: '0',
-              priceCurrency: 'USD',
-            },
-          },
-          {
-            '@context': 'http://www.schema.org',
-            '@type': 'MobileApplication',
-            name: 'Liker Land',
-            applicationCategory: 'LifestyleApplication',
-            operatingSystem: 'IOS',
-            url: 'https://apps.apple.com/app/liker-land/id1248232355',
-            aggregateRating: {
-              '@type': 'AggregateRating',
-              ratingValue: '4.3',
-              ratingCount: '16',
-            },
-            offers: {
-              '@type': 'Offer',
-              price: '0',
-              priceCurrency: 'USD',
-            },
-          },
-          {
-            '@context': 'http://www.schema.org',
-            '@type': 'MobileApplication',
-            name: 'Liker Land',
-            applicationCategory: 'LifestyleApplication',
-            operatingSystem: 'ANDROID',
-            url: 'https://play.google.com/store/apps/details?id=com.oice',
-            aggregateRating: {
-              '@type': 'AggregateRating',
-              ratingValue: '3.8',
-              ratingCount: '1699',
-            },
-            offers: {
+              '@context': 'http://www.schema.org',
               '@type': 'Offer',
               price: '0',
               priceCurrency: 'USD',
diff --git a/src/pages/about/writing-nft.vue b/src/pages/about/writing-nft.vue
index 8906145dcd..d60e7082a8 100644
--- a/src/pages/about/writing-nft.vue
+++ b/src/pages/about/writing-nft.vue
@@ -50,15 +50,18 @@ export default {
             '@context': 'http://www.schema.org',
             '@type': 'FAQPage',
             about: {
+              '@context': 'http://www.schema.org',
               '@type': 'Brand',
               url: `${EXTERNAL_HOST}/about/writing-nft`,
               name: 'Writing NFT',
             },
             mainEntity: this.$t('faq_list').map(
               ({ q: question, a: answer }) => ({
+                '@context': 'http://www.schema.org',
                 '@type': 'Question',
                 name: question,
                 acceptedAnswer: {
+                  '@context': 'http://www.schema.org',
                   '@type': 'Answer',
                   text: answer,
                 },
diff --git a/src/pages/civic/index.vue b/src/pages/civic/index.vue
index 6d27f47f09..f8d245ebb7 100644
--- a/src/pages/civic/index.vue
+++ b/src/pages/civic/index.vue
@@ -71,12 +71,14 @@ export default {
               image: [ogImage],
               description,
               brand: {
+                '@context': 'http://www.schema.org',
                 '@type': 'Brand',
                 url: `${EXTERNAL_HOST}/civic`,
                 name: 'Civic Liker',
               },
               url: `${EXTERNAL_HOST}${this.$route.path}`,
               offers: {
+                '@context': 'http://www.schema.org',
                 '@type': 'Offer',
                 price: '0',
                 priceCurrency: 'USD',
diff --git a/src/pages/index.vue b/src/pages/index.vue
index ae69138a1c..5e27c93fd4 100644
--- a/src/pages/index.vue
+++ b/src/pages/index.vue
@@ -847,9 +847,11 @@ export default {
           '@context': 'https://schema.org',
           '@type': 'FAQPage',
           mainEntity: this.faqs.map(({ question, answer }) => ({
+            '@context': 'http://www.schema.org',
             '@type': 'Question',
             name: question,
             acceptedAnswer: {
+              '@context': 'http://www.schema.org',
               '@type': 'Answer',
               text: answer,
             },
diff --git a/src/pages/nft/class/_classId/_nftId.vue b/src/pages/nft/class/_classId/_nftId.vue
index 2972524154..30d1841c58 100644
--- a/src/pages/nft/class/_classId/_nftId.vue
+++ b/src/pages/nft/class/_classId/_nftId.vue
@@ -451,6 +451,7 @@ export default {
           name: title,
           encoding: [
             {
+              '@context': 'http://www.schema.org',
               '@type': 'MediaObject',
               contentUrl: this.nftModelURL,
               encodingFormat: 'model/gltf-json',
@@ -461,12 +462,14 @@ export default {
     let brand;
     if (this.isWritingNft) {
       brand = {
+        '@context': 'http://www.schema.org',
         '@type': 'Brand',
         url: `${EXTERNAL_HOST}/about/writing-nft`,
         name: 'Writing NFT',
       };
     } else if (this.nftIsNFTBook) {
       brand = {
+        '@context': 'http://www.schema.org',
         '@type': 'Brand',
         url: `${EXTERNAL_HOST}/about/nft-book`,
         name: 'NFT Book',
diff --git a/src/pages/nft/class/_classId/index.vue b/src/pages/nft/class/_classId/index.vue
index 817fc5367d..23241f4548 100644
--- a/src/pages/nft/class/_classId/index.vue
+++ b/src/pages/nft/class/_classId/index.vue
@@ -538,6 +538,7 @@ export default {
           name: title,
           encoding: [
             {
+              '@context': 'http://www.schema.org',
               '@type': 'MediaObject',
               contentUrl: this.nftModelURL,
               encodingFormat: 'model/gltf-json',
@@ -556,6 +557,7 @@ export default {
         image: [ogImage],
         description,
         brand: {
+          '@context': 'http://www.schema.org',
           '@type': 'Brand',
           url: `${EXTERNAL_HOST}/about/writing-nft`,
           name: 'Writing NFT',
@@ -566,6 +568,7 @@ export default {
         datePublished: this.iscnData?.recordTimestamp,
         url: `${EXTERNAL_HOST}${this.$route.path}`,
         offers: {
+          '@context': 'http://www.schema.org',
           '@type': 'Offer',
           seller: iscnOwnerPerson,
           price: NFTPriceUSD,
@@ -588,6 +591,7 @@ export default {
         image: [ogImage],
         description,
         brand: {
+          '@context': 'http://www.schema.org',
           '@type': 'Brand',
           url: 'https://liker.land/about/nft-book',
           name: 'NFT Book',
@@ -605,6 +609,7 @@ export default {
       };
       this.nftEditions.forEach(e => {
         schemas.push({
+          '@context': 'http://www.schema.org',
           '@type': ['Book', 'Product'],
           '@id': `@${this.classId}-${e.index}`,
           name: `${title} - ${e.name}`,
@@ -617,11 +622,13 @@ export default {
           bookEdition: e.name,
           description: e.description,
           brand: {
+            '@context': 'http://www.schema.org',
             '@type': 'Brand',
             url: 'https://liker.land/about/nft-book',
             name: 'NFT Book',
           },
           offers: {
+            '@context': 'http://www.schema.org',
             '@type': 'Offer',
             seller: iscnOwnerPerson,
             price: e.price,
diff --git a/src/pages/nft/collection/_collectionId/index.vue b/src/pages/nft/collection/_collectionId/index.vue
index e87d7ed603..06225a54ff 100644
--- a/src/pages/nft/collection/_collectionId/index.vue
+++ b/src/pages/nft/collection/_collectionId/index.vue
@@ -189,8 +189,10 @@ export default {
             iscn_owner: iscnOwner,
           } = this.getNFTClassMetadataById(id);
           return {
+            '@context': 'http://www.schema.org',
             '@type': 'TypeAndQuantityNode',
-            typeOfQuantity: {
+            typeOfGood: {
+              '@context': 'http://www.schema.org',
               '@type': this.collectionIsBook ? 'Book' : 'CreativeWork',
               name: className,
               description: classDescription,
@@ -206,21 +208,24 @@ export default {
                 : undefined,
               brand: this.collectionIsBook
                 ? {
+                    '@context': 'http://www.schema.org',
                     '@type': 'Brand',
                     url: `${EXTERNAL_HOST}/about/nft-book`,
                     name: 'NFT Book',
                   }
                 : {
+                    '@context': 'http://www.schema.org',
                     '@type': 'Brand',
                     url: `${EXTERNAL_HOST}/about/writing-nft`,
                     name: 'Writing NFT',
                   },
             },
-            amountOfThisQuantity: '1',
+            amountOfThisGood: '1',
             unitCode: 'C62',
           };
         }),
         offers: {
+          '@context': 'http://www.schema.org',
           '@type': 'Offer',
           price: this.collectionPrice,
           priceCurrency: 'USD',