diff --git a/app/Models/FileContent.php b/app/Models/FileContent.php
index 63b6ae35a..21ce768cf 100644
--- a/app/Models/FileContent.php
+++ b/app/Models/FileContent.php
@@ -72,23 +72,18 @@ class FileContent extends AbstractModel
             $content['preview'] = false;
             if ($file->ext) {
                 $filePath = public_path($content['url']);
-                switch ($file->type) {
-                    // 支持编辑
-                    case 'txt':
-                    case 'code':
-                        $content['content'] = file_get_contents($filePath);
-                        break;
-
+                if (in_array($file->type, ['txt', 'code']) && $file->size < 2 * 1024 * 1024) {
+                    // 支持编辑，限制2M内的文件
+                    $content['content'] = file_get_contents($filePath);
+                } else {
                     // 支持预览
-                    default:
-                        if (in_array($file->type, ['picture', 'image', 'tif', 'media'])) {
-                            $url = Base::fillUrl($content['url']);
-                        } else {
-                            $url = 'http://' . env('APP_IPPR') . '.3/' . $content['url'];
-                        }
-                        $content['url'] = base64_encode($url);
-                        $content['preview'] = true;
-                        break;
+                    if (in_array($file->type, ['picture', 'image', 'tif', 'media'])) {
+                        $url = Base::fillUrl($content['url']);
+                    } else {
+                        $url = 'http://' . env('APP_IPPR') . '.3/' . $content['url'];
+                    }
+                    $content['url'] = base64_encode($url);
+                    $content['preview'] = true;
                 }
             }
             if ($download) {
diff --git a/resources/assets/js/components/AceEditor.vue b/resources/assets/js/components/AceEditor.vue
index ec34d4c22..2e627f061 100644
--- a/resources/assets/js/components/AceEditor.vue
+++ b/resources/assets/js/components/AceEditor.vue
@@ -27,13 +27,19 @@ export default {
             type: Number || null,
             default: null
         },
+        wrap: {
+            type: Boolean,
+            default: false
+        },
         readOnly: {
             type: Boolean,
             default: false
         },
     },
     render(createElement) {
-        return createElement('div')
+        return createElement('div', {
+            class: "no-dark-mode"
+        })
     },
     data: () => ({
         code: '',
@@ -187,7 +193,7 @@ export default {
 
             // init ace editor
             this.editor = window.ace.edit(this.$el, {
-                wrap: true,
+                wrap: this.wrap,
                 showPrintMargin: false,
                 readOnly: this.readOnly,
                 keyboardHandler: 'vscode',
diff --git a/resources/assets/js/pages/manage/components/FileContent.vue b/resources/assets/js/pages/manage/components/FileContent.vue
index de1dc5c9c..04c944843 100644
--- a/resources/assets/js/pages/manage/components/FileContent.vue
+++ b/resources/assets/js/pages/manage/components/FileContent.vue
@@ -53,7 +53,7 @@
                 <Flow v-else-if="file.type=='flow'" ref="myFlow" v-model="contentDetail" @saveData="handleClick('saveBefore')"/>
                 <Minder v-else-if="file.type=='mind'" ref="myMind" v-model="contentDetail" @saveData="handleClick('saveBefore')"/>
                 <OnlyOffice v-else-if="['word', 'excel', 'ppt'].includes(file.type)" v-model="contentDetail"/>
-                <AceEditor v-else-if="['code', 'txt'].includes(file.type)" class="no-dark-mode" v-model="contentDetail.content" :ext="file.ext" @saveData="handleClick('saveBefore')"/>
+                <AceEditor v-else-if="['code', 'txt'].includes(file.type)" v-model="contentDetail.content" :ext="file.ext" @saveData="handleClick('saveBefore')"/>
             </div>
         </template>
         <div v-if="contentLoad" class="content-load"><Loading/></div>
diff --git a/resources/assets/js/pages/manage/components/FilePreview.vue b/resources/assets/js/pages/manage/components/FilePreview.vue
index 979cc9d23..2d7b90fbf 100644
--- a/resources/assets/js/pages/manage/components/FilePreview.vue
+++ b/resources/assets/js/pages/manage/components/FilePreview.vue
@@ -30,7 +30,7 @@
                 <Flow v-else-if="file.type=='flow'" ref="myFlow" v-model="contentDetail" readOnly/>
                 <Minder v-else-if="file.type=='mind'" ref="myMind" v-model="contentDetail" readOnly/>
                 <OnlyOffice v-else-if="['word', 'excel', 'ppt'].includes(file.type)" v-model="contentDetail" :code="code" readOnly/>
-                <AceEditor v-else-if="['code', 'txt'].includes(file.type)" class="no-dark-mode" v-model="contentDetail.content" :ext="file.ext" readOnly/>
+                <AceEditor v-else-if="['code', 'txt'].includes(file.type)" v-model="contentDetail.content" :ext="file.ext" readOnly/>
             </div>
         </template>
         <div v-if="contentLoad" class="content-load"><Loading/></div>