diff --git a/app/Http/Controllers/CommentQueryController.php b/app/Http/Controllers/CommentQueryController.php
index 5fc3f8f..5bfeb10 100644
--- a/app/Http/Controllers/CommentQueryController.php
+++ b/app/Http/Controllers/CommentQueryController.php
@@ -14,7 +14,8 @@ class CommentQueryController extends BaseController
         if ($keyword) {
             $keyword_split = explode(" ", $keyword);
             foreach ($keyword_split as $_keyword) {
-                if (mb_strlen(trim($_keyword)) > 0) {
+                $_keyword = trim($_keyword);
+                if (mb_strlen($_keyword) > 0) {
                     $query->where("content", "like", "%{$_keyword}%");
                 }
             }
diff --git a/app/Http/Controllers/DanmakuQueryController.php b/app/Http/Controllers/DanmakuQueryController.php
index c31164b..4d9b769 100644
--- a/app/Http/Controllers/DanmakuQueryController.php
+++ b/app/Http/Controllers/DanmakuQueryController.php
@@ -29,7 +29,8 @@ class DanmakuQueryController extends BaseController
         if ($keyword) {
             $keyword_split = explode(" ", $keyword);
             foreach ($keyword_split as $_keyword) {
-                if (mb_strlen(trim($_keyword)) > 0) {
+                $_keyword = trim($_keyword);
+                if (mb_strlen($_keyword) > 0) {
                     $query->where(function (Builder $_query) use ($_keyword) {
                         $_query->where("content", "like", "%{$_keyword}%", "or")->where("from", "like", "%${_keyword}%", "or");
                     });
diff --git a/app/Http/Controllers/ProgramQueryController.php b/app/Http/Controllers/ProgramQueryController.php
index 9e1980e..db91847 100644
--- a/app/Http/Controllers/ProgramQueryController.php
+++ b/app/Http/Controllers/ProgramQueryController.php
@@ -15,7 +15,8 @@ class ProgramQueryController extends BaseController
         if ($keyword) {
             $keyword_split = explode(" ", $keyword);
             foreach ($keyword_split as $_keyword) {
-                if (mb_strlen(trim($_keyword)) > 0) {
+                $_keyword = trim($_keyword);
+                if (mb_strlen($_keyword) > 0) {
                     $query->where(function (Builder $_query) use ($_keyword) {
                         $_query
                             ->where("name", "like", "%{$_keyword}%")