diff --git a/resources/assets/js/app.js b/resources/assets/js/app.js
index e28592450..440e3ded7 100644
--- a/resources/assets/js/app.js
+++ b/resources/assets/js/app.js
@@ -169,14 +169,15 @@ $A.execMainCacheJudge = (key) => {
 // 绑定截图快捷键
 $A.bindScreenshotKey = (data) => {
     let key = "";
-    if (data.screenshot_key && (data.screenshot_mate || data.screenshot_shift)) {
+    let screenshot_key = (data.screenshot_key || "").trim().toLowerCase()
+    if (screenshot_key && (data.screenshot_mate || data.screenshot_shift)) {
         if (data.screenshot_mate) {
             key = /macintosh|mac os x/i.test(navigator.userAgent) ? 'command' : 'ctrl'
         }
         if (data.screenshot_shift) {
             key = `${key ? `${key}+` : ''}shift`
         }
-        key = `${key}+${data.screenshot_key.toLowerCase()}`
+        key = `${key}+${screenshot_key.toLowerCase()}`
     }
     $A.Electron.sendMessage('bindScreenshotKey', {key});
 };
diff --git a/resources/assets/js/pages/manage/setting/keyboard.vue b/resources/assets/js/pages/manage/setting/keyboard.vue
index f5dc9d7cb..68e96c642 100644
--- a/resources/assets/js/pages/manage/setting/keyboard.vue
+++ b/resources/assets/js/pages/manage/setting/keyboard.vue
@@ -74,7 +74,7 @@ export default {
 
         onKeydown({key, keyCode}) {
             if (keyCode !== 8) {
-                key = key && key.length === 1 ? key.toUpperCase() : ""
+                key = key && key.length === 1 ? key.trim().toUpperCase() : ""
                 if (key) {
                     this.formData.screenshot_key = key
                 }