diff --git a/library/think/App.php b/library/think/App.php
index ddb147f3..40c726c8 100644
--- a/library/think/App.php
+++ b/library/think/App.php
@@ -390,9 +390,7 @@ class App
 
         Hook::listen('action_begin', $call);
 
-        $data = self::invokeMethod($call);
-
-        return $data;
+        return self::invokeMethod($call);
     }
 
     /**
diff --git a/library/think/db/Connection.php b/library/think/db/Connection.php
index f39ca341..9806b827 100644
--- a/library/think/db/Connection.php
+++ b/library/think/db/Connection.php
@@ -433,7 +433,7 @@ abstract class Connection
                     $sql . ' ');
             }
         }
-        return $sql;
+        return rtrim($sql);
     }
 
     /**