diff --git a/src/core/GraphicStore.ts b/src/core/GraphicStore.ts
index c237d74..7ae6d01 100644
--- a/src/core/GraphicStore.ts
+++ b/src/core/GraphicStore.ts
@@ -60,6 +60,8 @@ export interface GraphicQueryStore {
     code: string,
     type: string
   ): T[];
+
+  checkIdExist(v: number): boolean;
 }
 
 /**
@@ -208,4 +210,8 @@ export class GraphicStore implements GraphicQueryStore {
     this.relationManage.clear();
     this.store.clear();
   }
+
+  checkIdExist(id: number) {
+    return this.store.has(id)
+  }
 }