Pull request #2891: 无JIRA任务 shortcut先放出来

Merge in VISUAL/fineui from ~WINDY/fui:master to master

* commit '6c5c86fe9ec1bcfcb3b54141cc5246a16d2685bd':
  无JIRA任务 shortcut先放出来

src/core/5.inject.js

@@ -81,10 +81,10 @@
     BI.service = BI.service || function (xtype, cls) {
         if (serviceInjection[xtype] != null) {
             _global.console && console.error("service: [" + xtype + "] 已经注册过了");
-        } else {
-            serviceInjection[xtype] = cls;
         }
 
+        serviceInjection[xtype] = cls;
+
         return function (config) {
             return BI.Services.getService(xtype, config);
         };