fix

common/models/psources/CoinIssueCoin.php

@@ -135,8 +135,8 @@ class CoinIssueCoin extends CommonActiveRecord
 //            }
 //        }
 
-        if (!preg_match('/^(?![0-9]+$)(?![A-Z]+$)[0-9A-Z]{2,16}$/', $this->symbol)) {
-            $this->addError($attribute, 'Token简称必须为大写字符和数字');
+        if (!preg_match('/^([A-Z0-9]){2,16}$/', $this->symbol)) {
+            $this->addError($attribute, 'Token简称必须为大写字母或数字');
             return false;
         }