diff --git a/src/case/trigger/trigger.text.select.js b/src/case/trigger/trigger.text.select.js
index dd7849115..ccae85610 100644
--- a/src/case/trigger/trigger.text.select.js
+++ b/src/case/trigger/trigger.text.select.js
@@ -52,8 +52,7 @@ BI.SelectTextTrigger = BI.inherit(BI.Trigger, {
 
     _digest: function (val, items) {
         var o = this.options;
-        val = BI.isArray(val) ? val : [val];
-
+        
         //  提升valueFormatter的优先级
         if (o.valueFormatter !== BI.emptyFn && BI.isFunction(o.valueFormatter)) {
             return {
@@ -61,6 +60,8 @@ BI.SelectTextTrigger = BI.inherit(BI.Trigger, {
             };
         }
 
+        val = BI.isArray(val) ? val : [val];
+
         var result = [];
 
         var formatItems = BI.Tree.transformToArrayFormat(items);