feat:修复仓位查询失败问题

@@ -704,7 +704,7 @@ class CmBroker
         return $newPositions;
     }
     //获取某个品种的某个方向仓位
-    public function getPos($symbol, $posSide)
+    public function getPos($symbol, $posSide): float|bool
     {
         $symbolOri = $this->getSymbolOri($symbol);
         if ($this->plat == self::PLAT_OKX) {
@@ -717,8 +717,10 @@ class CmBroker
                 $lot = abs($lot);
             }
             return $qty;
+        } else {
+            throw new \Exception("获取仓位失败,当前交易所未实现该方法");
         }
-        return -1;
+        return false;
     }
     //从全部仓位获取某个品种仓位
     public function getPosFormAll($symbol, $posSide)

@@ -344,7 +344,7 @@ class ExBroker
         return $newPositions;
     }
     //查询获取某个品种方向具体仓位
-    public function getPos($symbol, $posSide)
+    public function getPos($symbol, $posSide): float|bool
     {
         $param = [
             'instType' => 'SWAP',
@@ -360,9 +360,9 @@ class ExBroker
             }
             return 0;
         } else {
-            output($res);
+            output("查询仓位出错:", $symbol, $posSide, $res);
         }
-        return -1;
+        return false;
     }
     //获取k线
     public function getKlines($symbol, $period, $limit = "", $startTs = "", $endTs = "")