diff --git a/packages/fineui/src/core/2.base.js b/packages/fineui/src/core/2.base.js
index 144114efd..0c8e5f61c 100644
--- a/packages/fineui/src/core/2.base.js
+++ b/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) {