diff --git a/library/think/Build.php b/library/think/Build.php
index e0982561..389ce1ca 100644
--- a/library/think/Build.php
+++ b/library/think/Build.php
@@ -13,7 +13,7 @@ namespace think;
 class Build
 {
     // 根据传入的build资料创建目录和文件
-    public static function run($build = [])
+    public static function run(array $build = [])
     {
         // 锁定
         $lockfile = APP_PATH . 'build.lock';
diff --git a/library/think/db/driver/Mysql.php b/library/think/db/driver/Mysql.php
index 1c48278c..a9891df6 100644
--- a/library/think/db/driver/Mysql.php
+++ b/library/think/db/driver/Mysql.php
@@ -103,7 +103,7 @@ class Mysql extends Driver
             list($field, $name) = explode($key, '$.');
             $key                = 'jsn_extract(' . $field . ', \'$.\'.' . $name . ')';
         }
-        if (!preg_match('/[,\'\"\*\(\)`.\s]/', $key)) {
+        if ($key && !preg_match('/[,\'\"\*\(\)`.\s]/', $key)) {
             $key = '`' . $key . '`';
         }
         return $key;
diff --git a/library/think/log/driver/File.php b/library/think/log/driver/File.php
index d4242f29..b3fa9c42 100644
--- a/library/think/log/driver/File.php
+++ b/library/think/log/driver/File.php
@@ -54,7 +54,7 @@ class File
             $current_uri = "cmd:" . implode(' ', $_SERVER['argv']);
         }
         $runtime    = microtime(true) - START_TIME;
-        $reqs       = number_format(1 / $runtime, 2);
+        $reqs       = number_format(1 / number_format($runtime, 8), 2);
         $runtime    = number_format($runtime, 6);
         $time_str   = " [运行时间：{$runtime}s] [吞吐率：{$reqs}req/s]";
         $memory_use = number_format((memory_get_usage() - START_MEM) / 1024, 2);
diff --git a/library/think/log/driver/Sae.php b/library/think/log/driver/Sae.php
index 95f5f650..7f3c3349 100644
--- a/library/think/log/driver/Sae.php
+++ b/library/think/log/driver/Sae.php
@@ -42,7 +42,7 @@ class Sae
             $current_uri = "cmd:" . implode(' ', $_SERVER['argv']);
         }
         $runtime    = microtime(true) - START_TIME;
-        $reqs       = number_format(1 / $runtime, 2);
+        $reqs       = number_format(1 / number_format($runtime, 8), 2);
         $runtime    = number_format($runtime, 6);
         $time_str   = " [运行时间：{$runtime}s] [吞吐率：{$reqs}req/s]";
         $memory_use = number_format((memory_get_usage() - START_MEM) / 1024, 2);
diff --git a/library/think/log/driver/Socket.php b/library/think/log/driver/Socket.php
index 23d6f6cf..6a5e87f7 100644
--- a/library/think/log/driver/Socket.php
+++ b/library/think/log/driver/Socket.php
@@ -60,7 +60,7 @@ class Socket
             return false;
         }
         $runtime    = microtime(true) - START_TIME;
-        $reqs       = number_format(1 / $runtime, 2);
+        $reqs       = number_format(1 / number_format($runtime, 8), 2);
         $runtime    = number_format($runtime, 6);
         $time_str   = " [运行时间：{$runtime}s][吞吐率：{$reqs}req/s]";
         $memory_use = number_format((memory_get_usage() - START_MEM) / 1024, 2);
diff --git a/library/think/log/driver/Trace.php b/library/think/log/driver/Trace.php
index 03401bc8..d40f1071 100644
--- a/library/think/log/driver/Trace.php
+++ b/library/think/log/driver/Trace.php
@@ -44,7 +44,7 @@ class Trace
         }
         // 获取基本信息
         $runtime = microtime(true) - START_TIME;
-        $reqs    = number_format(1 / $runtime, 2);
+        $reqs    = number_format(1 / number_format($runtime, 8), 2);
         $runtime = number_format($runtime, 6);
         $mem     = number_format((memory_get_usage() - START_MEM) / 1024, 2);