diff --git a/packages/data-source/src/DataSourceManager.ts b/packages/data-source/src/DataSourceManager.ts
index 5ae1f0d6..640366a8 100644
--- a/packages/data-source/src/DataSourceManager.ts
+++ b/packages/data-source/src/DataSourceManager.ts
@@ -203,7 +203,7 @@ class DataSourceManager extends EventEmitter {
       this.setData(ds, changeEvent);
     });
 
-    if (!this.app.dsl?.dataSources || this.dataSourceMap.size === this.app.dsl.dataSources.length) {
+    if (this.isAllDataSourceRegistered()) {
       this.emit('registered-all');
     }
 
@@ -328,6 +328,10 @@ class DataSourceManager extends EventEmitter {
     );
   }
 
+  public isAllDataSourceRegistered() {
+    return !this.app.dsl?.dataSources?.length || this.dataSourceMap.size === this.app.dsl.dataSources.length;
+  }
+
   public destroy() {
     this.removeAllListeners();
     this.data = {};