diff --git a/app.py b/app.py
index d857efe..0a943b7 100644
--- a/app.py
+++ b/app.py
@@ -2,6 +2,7 @@
 import threading
 import time
 import subprocess
+import json
 try:
     # Python 2.x
     from urlparse import urlparse
@@ -88,6 +89,15 @@ def return_code(self):
         return self._return_code
 
 
+def _get_request_json():
+    if request.is_json:
+        return request.get_json()
+    data = request.data
+    if isinstance(data, bytes):
+        data = data.decode('utf-8')
+    return json.loads(data)
+
+
 def _execute(command: str):
     success = False
     try:
@@ -111,7 +121,15 @@ def _execute(command: str):
 
 @app.route('/execute', methods=['POST'])
 def execute():
-    req = request.get_json()
+    try:
+        req = _get_request_json()
+    except Exception as err:
+        app.logger.exception("_get_request_json err")
+        return jsonify({
+            'response': 'Exception: %s' % str(err),
+            'success': False
+        })
+
     response, success = _execute(req['command'])
 
     return jsonify({
@@ -124,7 +142,15 @@ def execute():
 def batch_execute():
     all_succeeded = True
     responses = []
-    req = request.get_json()
+    try:
+        req = _get_request_json()
+    except Exception as err:
+        app.logger.exception("_get_request_json err")
+        return jsonify({
+            'response': 'Exception: %s' % str(err),
+            'success': False
+        })
+
     commands = req['commands']
     for command in commands:
         response, success = _execute(command)
diff --git a/requirements.txt b/requirements.txt
index 071f255..3765fca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,21 @@
-flask
-flask_redis
-flask_redis_sentinel
-flask_bootstrap
+flask==3.0.3
+flask_redis==0.4.0
+flask_redis_sentinel==2.0.1
+flask_bootstrap==3.3.7.1
+async-timeout==4.0.3
+blinker==1.8.1
+click==8.1.7
+dominate==2.9.1
+importlib_metadata==7.1.0
+itsdangerous==2.2.0
+Jinja2==3.1.4
+MarkupSafe==2.1.5
+pip==23.0.1
+redis==5.0.4
+Redis-Sentinel-Url==1.0.1
+setuptools==57.5.0
+six==1.16.0
+visitor==0.1.3
+Werkzeug==3.0.3
+wheel==0.43.0
+zipp==3.18.1