diff --git a/README.md b/README.md
index ac5ec96..03d68ad 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,9 @@ apikey: '' //填写apikey
 r18: false //是否开启r18
 r18-groups: //允许r18的群
 - 1145141919810
+limit-mode: false //限速模式，一分钟仅允许使用15次
+FlashImageMode: true //闪照模式，发送图片为闪照
+AutoRecall: 0 //自动撤回时间，0为禁用
 ```
 
 # Download
diff --git a/src/main/java/shrbox/github/acgpro/Main.java b/src/main/java/shrbox/github/acgpro/Main.java
index 90dee3e..1f89ec0 100644
--- a/src/main/java/shrbox/github/acgpro/Main.java
+++ b/src/main/java/shrbox/github/acgpro/Main.java
@@ -17,6 +17,7 @@ class Main extends PluginBase {
     public static boolean isPulling = false;
     short count = 0;
     public static boolean flashImageMode;
+    public static int autoRecall;
 
     public void load_Config() { //配置文件加载
         config = loadConfig("config.yml");
@@ -27,9 +28,11 @@ public void load_Config() { //配置文件加载
         config.setIfAbsent("r18-groups", r18Groups);
         config.setIfAbsent("limit-mode", false);
         config.setIfAbsent("FlashImageMode", false);
+        config.setIfAbsent("AutoRecall", 0);
         config.save();
         r18Groups.clear();
         flashImageMode = config.getBoolean("FlashImageMode");
+        autoRecall = config.getInt("AutoRecall");
     }
     public void onEnable() {
         load_Config();
diff --git a/src/main/java/shrbox/github/acgpro/Thread.java b/src/main/java/shrbox/github/acgpro/Thread.java
index 7131db6..e38e3f4 100644
--- a/src/main/java/shrbox/github/acgpro/Thread.java
+++ b/src/main/java/shrbox/github/acgpro/Thread.java
@@ -102,16 +102,19 @@ public void run() {
                     + "\n作者名: " + data.author
                     + "\n作者UID: " + data.uid
                     + "\n原图: " + imageURL);
+            MessageReceipt<Contact> msg;
             if (Main.flashImageMode) {
-                MessageReceipt<Contact> msg = e.getGroup().sendMessage(FlashImage.from(image));
+                msg = e.getGroup().sendMessage(FlashImage.from(image));
+            } else {
+                msg = e.getGroup().sendMessage(image);
+            }
+            if (Main.autoRecall != 0) {
                 new Timer().schedule(new TimerTask() {
                     @Override
                     public void run() {
                         msg.recall();
                     }
-                }, 20 * 1000);
-            } else {
-                e.getGroup().sendMessage(image);
+                }, Main.autoRecall * 1000);
             }
         } else {
             if (pigNum > json.data.size()) pigNum = (short) json.data.size();
@@ -139,16 +142,19 @@ public void run() {
                         + "\n作者UID: " + data.uid
                         + "\n原图: " + imageURL
                         + "\n[" + (a + 1) + "/" + pigNum + "]");
+                MessageReceipt<Contact> msg;
                 if (Main.flashImageMode) {
-                    MessageReceipt<Contact> msg = e.getGroup().sendMessage(FlashImage.from(image));
+                    msg = e.getGroup().sendMessage(FlashImage.from(image));
+                } else {
+                    msg = e.getGroup().sendMessage(image);
+                }
+                if (Main.autoRecall != 0) {
                     new Timer().schedule(new TimerTask() {
                         @Override
                         public void run() {
                             msg.recall();
                         }
-                    }, 20 * 1000);
-                } else {
-                    e.getGroup().sendMessage(image);
+                    }, Main.autoRecall * 1000);
                 }
             }
         }