Pull request #3541: KERNEL-14316 fix: initialized 报错

Merge in VISUAL/fineui from ~TREECAT/fineui:es6 to es6

* commit '3e3cc5c03b2889d3e872f069964642c47aee3aaf':
  KERNEL-14316 fix: initialized 报错

packages/fineui/src/core/2.base.js

@@ -684,7 +684,10 @@ export function init() {
     while (_global.___fineuiExposedFunction && _global.___fineuiExposedFunction.length > 0) {
         _global.___fineuiExposedFunction.shift()();
     }
-    BI.initialized = true;
+
+    if (_global.BI) {
+        _global.BI.initialized = true;
+    }
 }
 
 export function has(obj, keys) {