edit

src/dai/seller/api/Task.php

@@ -348,9 +348,17 @@ class Task
 
         foreach ($num as $k => $v) {
             $seller = Dever::db('info', 'seller')->find($k);
-            $data = Dever::db('log', 'seller')->select(array('seller_id' => $k, 'type' => 2), array('col' => 'sum(cash)'));
-            print_r($data);die;
             $up['cash'] = $seller['p_cash'] - $v;
+            $data = Dever::db('log', 'seller')->select(array('seller_id' => $k, 'type' => 2));
+            if ($data) {
+                $s = 0;
+                foreach ($data as $k1 => $v1) {
+                    $s -= $v1;
+                }
+                $up['cash'] += $s;
+            }
+            print_r($up);die;
+            
             Dever::db('info', 'seller')->update($k, $up);
         }
     }