diff --git a/base.php b/base.php
index e5c42fb9..80a6e28f 100644
--- a/base.php
+++ b/base.php
@@ -9,7 +9,6 @@
 // | Author: liu21st <liu21st@gmail.com>
 // +----------------------------------------------------------------------
 
-ini_set("precision", 18);
 define('THINK_VERSION', '5.0.0 RC4');
 define('THINK_START_TIME', microtime(true));
 define('THINK_START_MEM', memory_get_usage());
diff --git a/library/think/debug/Console.php b/library/think/debug/Console.php
index 62adb51f..1763fc66 100644
--- a/library/think/debug/Console.php
+++ b/library/think/debug/Console.php
@@ -53,7 +53,7 @@ class Console
             return false;
         }
         // 获取基本信息
-        $runtime = round(microtime(true) - THINK_START_TIME, 10);
+        $runtime = number_format(microtime(true) - THINK_START_TIME, 10);
         $reqs    = number_format(1 / $runtime, 2);
         $mem     = number_format((memory_get_usage() - THINK_START_MEM) / 1024, 2);
 
diff --git a/library/think/debug/Html.php b/library/think/debug/Html.php
index 670aa24d..1061b372 100644
--- a/library/think/debug/Html.php
+++ b/library/think/debug/Html.php
@@ -53,7 +53,7 @@ class Html
             return false;
         }
         // 获取基本信息
-        $runtime = round(microtime(true) - THINK_START_TIME, 20);
+        $runtime = number_format(microtime(true) - THINK_START_TIME, 10);
         $reqs    = number_format(1 / $runtime, 2);
         $mem     = number_format((memory_get_usage() - THINK_START_MEM) / 1024, 2);
 
diff --git a/library/think/log/driver/File.php b/library/think/log/driver/File.php
index 3586bec0..d1d2852d 100644
--- a/library/think/log/driver/File.php
+++ b/library/think/log/driver/File.php
@@ -54,7 +54,8 @@ class File
         } else {
             $current_uri = "cmd:" . implode(' ', $_SERVER['argv']);
         }
-        $runtime    = round(microtime(true) - THINK_START_TIME, 10);
+
+        $runtime    = number_format(microtime(true) - THINK_START_TIME, 10);
         $reqs       = number_format(1 / $runtime, 2);
         $time_str   = ' [运行时间：' . number_format($runtime, 6) . 's][吞吐率：' . $reqs . 'req/s]';
         $memory_use = number_format((memory_get_usage() - THINK_START_MEM) / 1024, 2);
diff --git a/library/think/log/driver/Socket.php b/library/think/log/driver/Socket.php
index 483eb808..51b0fa56 100644
--- a/library/think/log/driver/Socket.php
+++ b/library/think/log/driver/Socket.php
@@ -63,7 +63,7 @@ class Socket
         if (!$this->check()) {
             return false;
         }
-        $runtime    = round(microtime(true) - THINK_START_TIME, 20);
+        $runtime    = number_format(microtime(true) - THINK_START_TIME, 10);
         $reqs       = number_format(1 / $runtime, 2);
         $time_str   = ' [运行时间：' . number_format($runtime, 6) . 's][吞吐率：' . $reqs . 'req/s]';
         $memory_use = number_format((memory_get_usage() - THINK_START_MEM) / 1024, 2);