diff --git a/src/common/shell.js b/src/common/shell.js
index c596368..a92b751 100644
--- a/src/common/shell.js
+++ b/src/common/shell.js
@@ -51,7 +51,7 @@ export default class Shell extends EventsBase {
                 lines[i] = iconv_lite.decode(Buffer.from(lines[i], 'binary'), encoding);
             }
             data = lines.join('\n');
-            // data = this.#decode_(data);
+            data = this.#decode_(data);
             this.runEvent('error', data);
         });
     }
@@ -74,6 +74,7 @@ export default class Shell extends EventsBase {
     }
 
     async exec(command, options = {}) {
+        this.#killed_ = false;
         this.#shell_ = exec(command, { ...this.#defaultOptions_, ...options });
         this.#addEventsListener_();
         const result = await this.#waitUntilClosed_();
@@ -81,6 +82,7 @@ export default class Shell extends EventsBase {
     }
 
     async execFile(file, args, options = {}) {
+        this.#killed_ = false;
         this.#shell_ = execFile(file, args, { ...this.#defaultOptions_, ...options });
         this.#addEventsListener_();
         const result = await this.#waitUntilClosed_();
@@ -95,7 +97,7 @@ export default class Shell extends EventsBase {
             this.#shell_.stdin.end();
             this.#shell_.stdout.end();
             if (CURRENT_PLANTFORM === 'win32') {
-                exec(`taskkill /pid ${this.#shell_.pid} /f /t`, (error) => {
+                exec(`taskkill /pid ${this.#shell_.pid} /f /t`, { encoding: 'utf-8' }, (error) => {
                     if (error) {
                         reject(error);
                     } else {