diff --git a/csv2rdf/csv2rdf.ts b/csv2rdf/csv2rdf.ts
index 244ceee..b16a093 100644
--- a/csv2rdf/csv2rdf.ts
+++ b/csv2rdf/csv2rdf.ts
@@ -181,8 +181,10 @@ export default class {
             writer.addQuads(this.store.getQuads(null, null, null, null))
             writer.end((error, result) => {
                 if(error) reject()
-                fs.writeFileSync(path, result)
-                resolve()
+                fs.writeFile(path, result, err => {
+                    if(err) reject(err)
+                    else resolve()
+                })
             })
         })
     }
diff --git a/csv2rdf/index.ts b/csv2rdf/index.ts
index 3ecd416..dfbb3bf 100644
--- a/csv2rdf/index.ts
+++ b/csv2rdf/index.ts
@@ -15,8 +15,8 @@ const main = async () => {
   await schema.export('../virtuoso/data/toLoad/prism-schema.ttl')
 
   // webでホストする schema.ttl も更新
-  if(fs.existsSync('../web/static/prism-schema.ttl')) fs.unlinkSync('../web/static/prism-schema.ttl')
-  await schema.export('../web/static/prism-schema.ttl')
+  if(fs.existsSync('../web/assets/prism-schema.ttl')) fs.unlinkSync('../web/assets/prism-schema.ttl')
+  await schema.export('../web/assets/prism-schema.ttl')
 
   // output.ttl(virtuosoにロードするデータ)を作成
   const csv2rdf = new Csv2rdf()
diff --git a/web/assets/.gitignore b/web/assets/.gitignore
new file mode 100644
index 0000000..076510b
--- /dev/null
+++ b/web/assets/.gitignore
@@ -0,0 +1 @@
+prism-schema.ttl