diff --git a/library/think/Log.php b/library/think/Log.php
index 65c2cd4c..76474c21 100644
--- a/library/think/Log.php
+++ b/library/think/Log.php
@@ -80,9 +80,6 @@ class Log
      */
     public static function record($msg, $type = 'log')
     {
-        if (!is_string($msg)) {
-            $msg = var_export($msg, true);
-        }
         self::$log[$type][] = $msg;
     }
 
@@ -153,9 +150,6 @@ class Log
      */
     public static function write($msg, $type = 'log')
     {
-        if (!is_string($msg)) {
-            $msg = var_export($msg, true);
-        }
         // 封装日志信息
         $log[$type][] = $msg;
 
diff --git a/library/think/log/driver/File.php b/library/think/log/driver/File.php
index 62cb9827..81053045 100644
--- a/library/think/log/driver/File.php
+++ b/library/think/log/driver/File.php
@@ -65,6 +65,9 @@ class File
         $info = '[ log ] ' . $current_uri . $time_str . $memory_str . $file_load . "\r\n";
         foreach ($log as $type => $val) {
             foreach ($val as $msg) {
+                if (!is_string($msg)) {
+                    $msg = var_export($msg, true);
+                }                
                 $info .= '[ ' . $type . ' ] ' . $msg . "\r\n";
             }
         }
diff --git a/library/think/log/driver/Sae.php b/library/think/log/driver/Sae.php
index 036245dd..d9ca44fe 100644
--- a/library/think/log/driver/Sae.php
+++ b/library/think/log/driver/Sae.php
@@ -44,6 +44,9 @@ class Sae
         $info = '[ log ] ' . $current_uri . $time_str . $memory_str . $file_load . "\r\n";
         foreach ($log as $type => $val) {
             foreach ($val as $msg) {
+                if (!is_string($msg)) {
+                    $msg = var_export($msg, true);
+                }      
                 $info .= '[ ' . $type . ' ] ' . $msg . "\r\n";
             }
         }
diff --git a/library/think/log/driver/Socket.php b/library/think/log/driver/Socket.php
index a4942a9c..a6a666f4 100644
--- a/library/think/log/driver/Socket.php
+++ b/library/think/log/driver/Socket.php
@@ -92,6 +92,9 @@ class Socket
                 'css'  => isset($this->css[$type]) ? $this->css[$type] : '',
             ];
             foreach ($val as $msg) {
+                if (!is_string($msg)) {
+                    $msg = var_export($msg, true);
+                }
                 $trace[] = [
                     'type' => 'log',
                     'msg'  => $msg,
diff --git a/library/think/log/driver/Trace.php b/library/think/log/driver/Trace.php
index 3471f92b..824b1639 100644
--- a/library/think/log/driver/Trace.php
+++ b/library/think/log/driver/Trace.php
@@ -72,6 +72,9 @@ class Trace
         $debug = [];
         foreach ($log as $type => $val) {
             foreach ($val as $msg) {
+                if (!is_string($msg)) {
+                    $msg = var_export($msg, true);
+                }
                 $debug[$type][] = $msg;
             }
         }