diff --git a/json/chuqiuyu.json b/json/chuqiuyu.json
index 94e4fefc..4d77a447 100644
--- a/json/chuqiuyu.json
+++ b/json/chuqiuyu.json
@@ -134,7 +134,6 @@
          "电影": [
       {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},
@@ -171,7 +170,6 @@
          "音乐": [
       {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},
@@ -242,7 +240,6 @@
          "歌曲": [
       {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},
@@ -313,7 +310,6 @@
          "平面设计教学": [
       {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},
@@ -408,7 +404,6 @@
          "软件教程": [
        {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},
@@ -491,7 +486,6 @@
          "Windows": [
       {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},
@@ -528,7 +522,6 @@
          "小姐姐超清": [
       {"key": "order","name": "排序","value": [
 {"n": "综合排序","v": "0"},
-{"n": "持续时长","v": "duration"},
 {"n": "最多点击","v": "click"},
 {"n": "最新发布","v": "pubdate"},
 {"n": "最多弹幕","v": "dm"},