diff --git a/src/components/FancyTree/index.vue b/src/components/FancyTree/index.vue
index 62d825f..0570970 100644
--- a/src/components/FancyTree/index.vue
+++ b/src/components/FancyTree/index.vue
@@ -459,7 +459,7 @@
         if(file.contentType.indexOf('video') > -1){
           return 'video'
         }
-        if(file.contentType.indexOf('image') > -1){
+        if(file.contentType.contentType.startsWith('image')){
           return 'image'
         }
         if(file.contentType.indexOf('audio') > -1){
diff --git a/src/components/input/UploadImageInput.vue b/src/components/input/UploadImageInput.vue
index a071c5d..6ff7de1 100644
--- a/src/components/input/UploadImageInput.vue
+++ b/src/components/input/UploadImageInput.vue
@@ -156,7 +156,7 @@ export default {
       this.fileList = fileList
     },
     format(filepath){
-      this.currentValue = window.location.origin + fileConfig.mardownPreviewUrl(filepath)
+      this.currentValue = fileConfig.mardownPreviewUrl(filepath)
       this.change(this.currentValue)
     },
     // url转blob
diff --git a/src/utils/file-config.js b/src/utils/file-config.js
index 75512d9..b1a807a 100644
--- a/src/utils/file-config.js
+++ b/src/utils/file-config.js
@@ -7,7 +7,7 @@ export default {
     return `${this.baseUrl}/file/${username}${file.path}${file.name}`
   },
   mardownPreviewUrl: function (path){
-    return `${this.baseUrl}${path}`
+    return window.location.origin + `${this.baseUrl}${path}`
   },
   publicPreviewUrl: function(fileIds) {
     return `${this.baseUrl}/public/preview/${fileIds}`