diff --git a/src/core/GraphicStore.ts b/src/core/GraphicStore.ts
index c237d74..902705b 100644
--- a/src/core/GraphicStore.ts
+++ b/src/core/GraphicStore.ts
@@ -9,12 +9,12 @@ export interface GraphicQueryStore {
   /**
    * 根据id获取图形
    */
-  queryById<T extends JlGraphic>(id: number | string): T;
+  queryById<T extends JlGraphic>(id: number): T;
   /**
    * 根据id模糊查询图形
    * @param id
    */
-  queryByIdAmbiguous(id: number | string): JlGraphic[];
+  queryByIdAmbiguous(id: number): JlGraphic[];
 
   /**
    * 根据类型获取图形列表
@@ -79,20 +79,15 @@ export class GraphicStore implements GraphicQueryStore {
   getAllGraphics(): JlGraphic[] {
     return [...this.store.values()];
   }
-  queryById<T extends JlGraphic>(id: number | string): T {
-    let nid = id;
-    if (typeof id === 'string') {
-      nid = parseInt(id);
-    }
-    const graphic = this.store.get(nid as number) as T;
-    if (!graphic) throw Error(`未找到id为 [${nid}] 的图形.`);
-    return this.store.get(nid as number) as T;
+  queryById<T extends JlGraphic>(id: number): T {
+    const graphic = this.store.get(id) as T;
+    if (!graphic) throw Error(`未找到id为 [${id}] 的图形.`);
+    return this.store.get(id) as T;
   }
-  queryByIdAmbiguous(id: number | string): JlGraphic[] {
-    const nid = id + '';
+  queryByIdAmbiguous(id: number): JlGraphic[] {
     const list: JlGraphic[] = [];
     this.store.forEach((g) => {
-      if ((g.id + '').search(nid) >= 0) {
+      if (Math.abs(g.id - id) <= 10) {
         list.push(g);
       }
     });