diff --git a/app/Library/SystemInfo.php b/app/Library/SystemInfo.php
index 1bf1755de9964990663aa523deadcdf81f194fc0..e6b3bf9f06092e31064972c1eb2e09b4580cfe28 100644
--- a/app/Library/SystemInfo.php
+++ b/app/Library/SystemInfo.php
@@ -92,11 +92,12 @@ class SystemInfo
             $rs = fread($fp, 1024);
             $sys_info = explode("\n", $rs);
             $mem_info = explode(",", $sys_info[2]); //内存占有量 数组
-            $this->memory['total'] = trim(trim($mem_info[0], 'KiB Mem : '), ' total');
-            $this->memory['used'] = trim(trim($mem_info[2], 'used'));
+
+            $this->memory['total'] = round(trim(trim($mem_info[0], 'KiB Mem : '), ' total'), 0);
+            $this->memory['used'] = round(trim(trim($mem_info[2], 'used')), 0);
             $this->memory['buffer_cache'] = trim(trim($mem_info[3], 'buff/cache'));
-            $this->memory['free'] = trim(trim($mem_info[1], 'free'));
-            $this->memory['usage_ratio'] = round($this->memory['used'] / intval($this->memory['total']), 4) * 100; //百分比
+            $this->memory['free'] = round(trim(trim($mem_info[1], 'free')), 0);
+            $this->memory['usage_ratio'] = round($this->memory['used'] / $this->memory['total'], 4) * 100; //百分比
         }
         return $this->memory;
     }
diff --git a/app/Modules/Admin/Services/IndexService.php b/app/Modules/Admin/Services/IndexService.php
index 08d69385c2955f6675491f3030427ad5d02957d7..adc3e4c6aa58e66489bc2a015e635fbb95108c25 100644
--- a/app/Modules/Admin/Services/IndexService.php
+++ b/app/Modules/Admin/Services/IndexService.php
@@ -189,7 +189,7 @@ class IndexService extends BaseService
 
         $memory_info = $systemInfo->getMemory();
         $memory = [
-            'chart_legend' => ['used', 'free'],
+            'chart_legend' => ['used', 'free', 'buffer_cache'],
             'chart_series' => [
                 [
                     'name' => 'used',
@@ -199,6 +199,10 @@ class IndexService extends BaseService
                     'name' => 'free',
                     'value' => $memory_info['free'],
                 ],
+                [
+                    'name' => 'buffer_cache',
+                    'value' => $memory_info['buffer_cache'],
+                ],
             ],
         ];