diff --git a/fxjs/js_define.h b/fxjs/js_define.h
index 9187e60..bf7aa35 100644
--- a/fxjs/js_define.h
+++ b/fxjs/js_define.h
@@ -11,11 +11,13 @@
 
 #include "core/fxcrt/unowned_ptr.h"
 #include "fxjs/cfxjs_engine.h"
-#include "fxjs/cjs_object.h"
 #include "fxjs/cjs_result.h"
+#include "fxjs/cjs_runtime.h"
 #include "fxjs/js_resources.h"
 #include "third_party/base/ptr_util.h"
 
+class CJS_Object;
+
 double JS_GetDateTime();
 int JS_GetYearFromTime(double dt);
 int JS_GetMonthFromTime(double dt);