diff --git a/examples/rag-playground/src/components/app/app.ts b/examples/rag-playground/src/components/app/app.ts
index fda8554..c5caa18 100644
--- a/examples/rag-playground/src/components/app/app.ts
+++ b/examples/rag-playground/src/components/app/app.ts
@@ -7,6 +7,37 @@ import componentCSS from './app.css?inline';
 import logoIcon from '../../images/icon-logo.svg?raw';
 import { Dataset } from '../playground/playground';
 
+let defaultDataset = Dataset.arXiv10k;
+
+// Check url query to change the view
+if (window.location.search !== '') {
+  const searchParams = new URLSearchParams(window.location.search);
+  if (searchParams.has('dataset')) {
+    const modelName = searchParams.get('dataset')!;
+
+    switch (modelName) {
+      case 'paper': {
+        defaultDataset = Dataset.arXiv10k;
+        break;
+      }
+
+      case 'diffusiondb': {
+        defaultDataset = Dataset.DiffusionDB10k;
+        break;
+      }
+
+      case 'accident': {
+        defaultDataset = Dataset.accident3k;
+        break;
+      }
+
+      default: {
+        break;
+      }
+    }
+  }
+}
+
 /**
  * App element.
  *
@@ -24,7 +55,7 @@ export class MememoRagPlayground extends LitElement {
   //==========================================================================||
   constructor() {
     super();
-    this.curDataset = Dataset.arXiv1k;
+    this.curDataset = defaultDataset;
   }
 
   /**
diff --git a/examples/rag-playground/src/components/playground/playground.ts b/examples/rag-playground/src/components/playground/playground.ts
index 8241515..ffded74 100644
--- a/examples/rag-playground/src/components/playground/playground.ts
+++ b/examples/rag-playground/src/components/playground/playground.ts
@@ -139,7 +139,7 @@ export class MememoPlayground extends LitElement {
   //                              Class Properties                            ||
   //==========================================================================||
   @property()
-  curDataset: Dataset = Dataset.arXiv10k;
+  curDataset!: Dataset;
 
   @state()
   userQuery = '';
diff --git a/examples/rag-playground/src/components/query-box/query-box.ts b/examples/rag-playground/src/components/query-box/query-box.ts
index ab7cb82..5b65968 100644
--- a/examples/rag-playground/src/components/query-box/query-box.ts
+++ b/examples/rag-playground/src/components/query-box/query-box.ts
@@ -30,7 +30,7 @@ export class MememoQueryBox extends LitElement {
   //==========================================================================||
   constructor() {
     super();
-    this.userQuery = this.defaultQuery;
+    this.userQuery = '';
   }
 
   firstUpdated() {
diff --git a/examples/rag-playground/src/config/userQueries.ts b/examples/rag-playground/src/config/userQueries.ts
index 68520cb..22ef2ea 100644
--- a/examples/rag-playground/src/config/userQueries.ts
+++ b/examples/rag-playground/src/config/userQueries.ts
@@ -25,7 +25,7 @@ const arXivQueries = [
 ];
 
 const diffusiondbQueries: string[] = [
-  'A cute brown dog jumping around',
+  'A cute brown dog jumps around the tree',
   'White dog wandering through a dense forest',
   'Red apple resting on an aged wooden table',
   'Sunny field dotted with vibrant sunflowers',
diff --git a/examples/rag-playground/vite.config.ts b/examples/rag-playground/vite.config.ts
index 88df2fe..6adf778 100644
--- a/examples/rag-playground/vite.config.ts
+++ b/examples/rag-playground/vite.config.ts
@@ -34,7 +34,7 @@ export default defineConfig(({ command, mode }) => {
       case 'github': {
         // Production: github page (default mode)
         return {
-          base: '/wordflow/',
+          base: '/mememo/',
           build: {
             outDir: 'dist',
             rollupOptions: {