一些微小的贡献

store/index.ts

@@ -30,7 +30,13 @@ class Store {
     await this.save();
   }
   public async save() {
-    await write(this.filename, JSON.stringify(this.record), "utf8");
+    // try first, then catch
+    try {
+      console.log("store::index: save record", this.record);
+      await write(this.filename, JSON.stringify(this.record), "utf8");
+    } catch {
+      console.error("store::index: save record error, filename:", this.filename);
+    }
   }
 }
 
@@ -52,7 +58,12 @@ class HTML {
   public async set(html: string) {
     this.html = html;
     // store into file
-    await write(this.filename, html, "utf8");
+    // try first, then catch
+    try {
+      await write(this.filename, html, "utf8");
+    } catch {
+      console.error("store::index: save record error, filename:", this.filename);
+    }
   }
 }