diff --git a/src/components/FileUpload/index.vue b/src/components/FileUpload/index.vue
index 10ee19f..2deb0b4 100644
--- a/src/components/FileUpload/index.vue
+++ b/src/components/FileUpload/index.vue
@@ -100,15 +100,9 @@ watch(() => props.modelValue, val => {
 function handleBeforeUpload(file) {
   // 校检文件类型
   if (props.fileType.length) {
-    let fileExtension = "";
-    if (file.name.lastIndexOf(".") > -1) {
-      fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
-    }
-    const isTypeOk = props.fileType.some((type) => {
-      if (file.type.indexOf(type) > -1) return true;
-      if (fileExtension && fileExtension.indexOf(type) > -1) return true;
-      return false;
-    });
+    const fileName = file.name.split('.');
+    const fileExt = fileName[fileName.length - 1];
+    const isTypeOk = props.fileType.indexOf(fileExt) >= 0;
     if (!isTypeOk) {
       proxy.$modal.msgError(`文件格式不正确, 请上传${props.fileType.join("/")}格式文件!`);
       return false;