diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index 802e8472f..ac5037b9a 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -568,7 +568,7 @@
                             });
                         } else if (wrap.maxSize !== -1 && size && wrap.maxSize < size) {
                             // 文件大小不支持
-                            BI.Msg.toast(BI.i18nText("BI-Upload_File_Size_Error"), { level: "error" });
+                            BI.Msg.toast(BI.i18nText("BI-Upload_File_Size_Error", wrap.maxSize), { level: "error" });
                             self.fireEvent(BI.File.EVENT_ERROR, {
                                 errorType: 1,
                                 file: item