diff --git a/assets/index.js b/assets/index.js
index 4cd2e6b..b62069f 100644
--- a/assets/index.js
+++ b/assets/index.js
@@ -8,7 +8,7 @@ utools.onPluginEnter(({ code, type, payload }) => {
         showOptions();
     } else {
         $("#options").hide();
-        $("#out").show();
+        $("#out").show().text('');
         var db = utools.db.get('customFts').data[code],
             cmd = db.cmd;
         if (db.program == "custom") {
@@ -40,51 +40,50 @@ utools.onPluginEnter(({ code, type, payload }) => {
             setSubInput();
             document.addEventListener('keydown', handleEnter);
         } else {
-            utools.setExpendHeight(0);
-            utools.hideMainWindow();
             runCmd(cmd, option, db.codec, db.output);
         }
     }
 });
 
+utools.onPluginOut(_ => {
+    $("#out").text('');
+})
+
 function runCmd(cmd, option, codec, output) {
+    // 不需要输出的，提前关闭窗口
+    if (['ignore', 'clip', 'send'].indexOf(output) !== -1){
+        utools.outPlugin()
+        utools.hideMainWindow()
+    }
         // 运行脚本
     window.run(cmd, option, codec, (stdout, stderr) => {
-            // 报错
         if (stderr) {
+            // 报错
             window.messageBox({ type: 'error', icon: window.logo, message: stderr, buttons: ['纳尼?!'] })
-            utools.outPlugin();
-            return;
-        }
-        // 有输出
-        if (stdout) {
+            utools.outPlugin()
+        } else if (stdout) {
+            // 有输出
             switch (output) {
-                case "ignore":
-                    utools.outPlugin();
-                    break;
                 case "text":
-                    utools.showMainWindow();
-                    utools.setExpendHeight(600);
                     $("#out").text(stdout);
                     break;
                 case "html":
-                    utools.showMainWindow();
-                    utools.setExpendHeight(600);
                     $("#out").html(stdout);
                     break;
                 case "clip":
                     copyTo(stdout);
-                    utools.outPlugin();
                     break;
                 case "send":
                     copyTo(stdout);
                     paste();
-                    utools.outPlugin();
+                    break;
+                case "ignore":
+                default:
                     break;
             }
-        // 无输出
         } else {
-            utools.outPlugin();
+            // 无输出
+            utools.outPlugin()
         }
     })
 }
diff --git a/preload.js b/preload.js
index 0667109..3d8abe3 100644
--- a/preload.js
+++ b/preload.js
@@ -13,6 +13,8 @@ const { shell } = require('electron');
 
 pluginInfo = JSON.parse(fs.readFileSync(path.join(__dirname, 'plugin.json')));
 logo = nativeImage.createFromPath(path.join(__dirname, 'logo.png'));
+
+// fix PATH
 process.env.PATH += ':/usr/local/bin:/usr/local/sbin'
 
 messageBox = (options, callback) => {