diff --git a/src/main/ets/ContextConfig.ets b/src/main/ets/ContextConfig.ets
index cece028..0ee97d6 100644
--- a/src/main/ets/ContextConfig.ets
+++ b/src/main/ets/ContextConfig.ets
@@ -21,7 +21,7 @@ export class GlobalContext {
 
     context.windowStage.getMainWindow((err: BusinessError, data) => {
       let errCode: number = err.code;
-      if (errCode) {
+      if (errCode !== 0) {
         console.error(`Failed to obtain the main window. Cause code: ${err.code}, message: ${err.message}`);
         return;
       }