diff --git a/src/views/cases/detail.vue b/src/views/cases/detail.vue
index c3550d0..fe0863a 100644
--- a/src/views/cases/detail.vue
+++ b/src/views/cases/detail.vue
@@ -739,8 +739,21 @@ export default {
     async handleFileChange(event) {
       const files = event.target.files;
       if (!files || files.length === 0) return;
+      
+      // 允许的图片类型
+      const imageExtensions = ['.bmp', '.png', '.jpg'];
+      // 允许的视频类型
+      const videoExtensions = ['.mp4'];
+      const allowedExtensions = [...imageExtensions, ...videoExtensions];
       try {
         for (const file of files) {
+          // 验证文件类型
+          const fileName = file.name.toLowerCase();
+          const ext = fileName.substring(fileName.lastIndexOf('.'));
+          if (!allowedExtensions.includes(ext)) {
+            this.$modal.msgError(`文件类型不支持: ${file.name}，仅支持图片和视频格式`);
+            continue;
+          }
           await this.uploadImageToMinIO(file);
         }
       } catch (error) {