diff --git a/app/Http/Controllers/IndexController.php b/app/Http/Controllers/IndexController.php
index a534b8c8e..0b5b5bba9 100755
--- a/app/Http/Controllers/IndexController.php
+++ b/app/Http/Controllers/IndexController.php
@@ -37,9 +37,14 @@ class IndexController extends InvokeController
         if ($action) {
             $app .= "__" . $action;
         }
-        if ($app === 'manifest.txt') {
-            $app = 'manifest';
-            $child = 'txt';
+        switch ($app) {
+            case 'manifest.txt':
+                $app = 'manifest';
+                $child = 'txt';
+                break;
+
+            case 'default':
+                return '';
         }
         if (!method_exists($this, $app)) {
             $app = method_exists($this, $method) ? $method : 'main';
diff --git a/electron/build.js b/electron/build.js
index 549268f09..062d03535 100644
--- a/electron/build.js
+++ b/electron/build.js
@@ -203,8 +203,6 @@ function startBuild(data) {
     fs.writeFileSync(electronDir + "/config.js", "window.systemInfo = " + JSON.stringify(systemInfo), 'utf8');
     fs.writeFileSync(nativeCachePath, utils.formatUrl(data.url));
     fs.writeFileSync(devloadCachePath, "", 'utf8');
-    // default (fix "Failed to load resource: net::ERR_FILE_NOT_FOUND" report)
-    fs.writeFileSync(electronDir + "/default", "default", 'utf8');
     // index.html
     let manifestFile = path.resolve(electronDir, "manifest.json");
     if (!fs.existsSync(manifestFile)) {
diff --git a/resources/assets/js/pages/manage/components/ChatInput/index.vue b/resources/assets/js/pages/manage/components/ChatInput/index.vue
index d6ab76e36..24a056a49 100755
--- a/resources/assets/js/pages/manage/components/ChatInput/index.vue
+++ b/resources/assets/js/pages/manage/components/ChatInput/index.vue
@@ -876,6 +876,7 @@ export default {
             }
             this.emojiTimer && clearTimeout(this.emojiTimer)
             this.emojiTimer = setTimeout(_ => {
+                this.emojiTimer = null
                 if (/<img/i.test(text)) {
                     this.emojiQuickShow = false
                     return
@@ -1036,6 +1037,7 @@ export default {
         },
 
         onSend(type) {
+            this.emojiTimer && clearTimeout(this.emojiTimer)
             this.emojiQuickShow = false;
             //
             setTimeout(_ => {
diff --git a/resources/assets/sass/pages/components/dialog-wrapper.scss b/resources/assets/sass/pages/components/dialog-wrapper.scss
index c28f871c7..ab20027ee 100644
--- a/resources/assets/sass/pages/components/dialog-wrapper.scss
+++ b/resources/assets/sass/pages/components/dialog-wrapper.scss
@@ -940,6 +940,7 @@
 
                                     .file-thumb {
                                         width: 36px;
+                                        flex-shrink: 0;
                                     }
 
                                     .file-info {