diff --git a/src/components/Charts/MiniArea/index.d.ts b/src/components/Charts/MiniArea/index.d.ts
index 2bcac70c5f1da3582e4bdf4e1d41e8c9e576014a..b223b68ca097e01f1c76e4e2cb4e95e9db4dc39b 100644
--- a/src/components/Charts/MiniArea/index.d.ts
+++ b/src/components/Charts/MiniArea/index.d.ts
@@ -21,7 +21,7 @@ export interface IMiniAreaProps {
   xAxis?: IAxis;
   yAxis?: IAxis;
   data: Array<{
-    x: number;
+    x: number | string;
     y: number;
   }>;
 }