Merge branch 'feature/ticker' into 'master'

common/business/ExchangeBusiness.php

@@ -162,6 +162,16 @@ class ExchangeBusiness
             goto doEnd;
         }
 
+        if (strtoupper($tag) == 'LZ') {
+            $quotation = [
+                'low' => 1,
+                'high' => 1,
+                'last' => 1,
+                'rmb' => 1,
+            ];
+            goto doEnd;
+        }
+
         if (in_array(strtoupper($tag), ['GST', 'JNTK', 'SPT', 'STO', 'GM', 'BSTC', 'RYH', 'CNDT', 'WL', 'ETS', 'LIMS', 'AT', 'BTJ', 'WXB'])) {
             $quotation = [
                 'low' => 0,