Pull request #3064: 无JIRA任务 chore: 优化代码

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit 'cf1e706d270e8c47e9b978b1b2fe94fc0f861578':
  chore: 优化代码

src/case/trigger/trigger.text.select.js

@@ -60,7 +60,7 @@ BI.SelectTextTrigger = BI.inherit(BI.Trigger, {
             };
         }
 
-        val = BI.isArray(val) ? val : [val];
+        val = BI.isArray(val) ? val.slice() : [val];
 
         var result = [];