diff --git a/src/ZM/API/CQ.php b/src/ZM/API/CQ.php
index 2eb57e24..fea189da 100644
--- a/src/ZM/API/CQ.php
+++ b/src/ZM/API/CQ.php
@@ -354,7 +354,7 @@ class CQ
      */
     public static function encode($msg, bool $is_content = false): string
     {
-        $msg = str_replace(['&', '[', ']'], ['&', '[', ']'], $msg);
+        $msg = str_replace(['&', '[', ']'], ['&', '[', ']'], strval($msg));
         if ($is_content) {
             $msg = str_replace(',', ',', $msg);
         }
diff --git a/tests/ZM/Utils/TerminalTest.php b/tests/ZM/Utils/TerminalTest.php
index 438ec9c1..cac5ff94 100644
--- a/tests/ZM/Utils/TerminalTest.php
+++ b/tests/ZM/Utils/TerminalTest.php
@@ -18,6 +18,7 @@ class TerminalTest extends TestCase
     {
         Console::setLevel(4);
         Terminal::init();
+        Console::setLevel(0);
         $this->expectOutputRegex('/Initializing\ Terminal/');
     }
 
@@ -28,6 +29,7 @@ class TerminalTest extends TestCase
     {
         Console::setLevel(2);
         Terminal::executeCommand('echo zhamao-framework');
+        Console::setLevel(0);
         $this->expectOutputRegex('/zhamao-framework/');
     }
 }