diff --git a/src/__main__.py b/src/__main__.py
index 0ddbac2..c385cbe 100644
--- a/src/__main__.py
+++ b/src/__main__.py
@@ -16,18 +16,17 @@ def validate():
         exit(2)
 
     if config.ADMIN_ID == 0:
-        print("WARNING: You didn't configured an ADMIN_ID, so you won't be able to use admin commands!")
-
-    if config.FEEDBACK_CHAT_ID == 0:
-        print("ERROR: Please configure FEEDBACK_CHAT_ID")
+        print("ERROR: Please configure ADMIN_ID")
         exit(2)
 
-    if config.LOGGER_CHAT_ID == 0:
-        print("ERROR: Please configure LOGGER_CHAT_ID")
-        exit(2)
+    if config.FEEDBACK_CHAT_ID == config.ADMIN_ID:
+        print("WARNING: FEEDBACK_CHAT_ID and ADMIN_ID are same")
+
+    if config.LOGGER_CHAT_ID == config.ADMIN_ID:
+        print("WARNING: LOGGER_CHAT_ID and ADMIN_ID are same")
 
-    if config.ANNOUNCEMENT_CHECK_INTERVAL == 0:
-        print("ERROR: Please configure ANNOUNCEMENT_CHECK_INTERVAL")
+    if config.ANNOUNCEMENT_CHECK_INTERVAL <= 0:
+        print("ERROR: Please configure ANNOUNCEMENT_CHECK_INTERVAL greater than 0")
         exit(2)
 
     if config.WEBHOOK_CONNECTED:
diff --git a/src/config.py b/src/config.py
index b17f3eb..2243801 100644
--- a/src/config.py
+++ b/src/config.py
@@ -12,29 +12,29 @@
 DB_STRING: str = config["DB_STRING"]
 DB_NAME: str = config["DB_NAME"]
 
-# Feedback Chat ID
-FEEDBACK_CHAT_ID: int = config["FEEDBACK_CHAT_ID"]
-
 # Admin Chat ID
 ADMIN_ID: int = config["ADMIN_ID"]
 
+# Feedback Chat ID
+FEEDBACK_CHAT_ID: int = config.get("FEEDBACK_CHAT_ID", ADMIN_ID)
+
 # Logger Chat ID
-LOGGER_CHAT_ID: int = config["LOGGER_CHAT_ID"]
+LOGGER_CHAT_ID: int = config.get("LOGGER_CHAT_ID", ADMIN_ID)
 
 # Default Department List
-DEFAULT_DEPS: list[str] = config["DEFAULT_DEPS"]
+DEFAULT_DEPS: list[str] = config.get("DEFAULT_DEPS", [])
 
 # Time Configurations for the Announcement Checking Task (in seconds)
-ANNOUNCEMENT_CHECK_INTERVAL: int = config["ANNOUNCEMENT_CHECK_INTERVAL"]
-ANNOUNCEMENT_CHECK_FIRST: int = config["ANNOUNCEMENT_CHECK_FIRST"]
+ANNOUNCEMENT_CHECK_INTERVAL: int = config.get("ANNOUNCEMENT_CHECK_INTERVAL", 1800)
+ANNOUNCEMENT_CHECK_FIRST: int = config.get("ANNOUNCEMENT_CHECK_FIRST", 5)
 
 # Polling or Webhook?
-WEBHOOK_CONNECTED: bool = config["WEBHOOK_CONNECTED"]
-PORT: str = config["PORT"]
-WEBHOOK_URL: str = config["WEBHOOK_URL"]
+WEBHOOK_CONNECTED: bool = config.get("WEBHOOK_CONNECTED", False)
+PORT: str = config.get("PORT", "31415")
+WEBHOOK_URL: str = config.get("WEBHOOK_URL", "")
 
 # Conversation timeout values
-FEEDBACK_TIMEOUT: int = config["FEEDBACK_TIMEOUT"]
-ADMIN_ANNOUNCEMENT_TIMEOUT: int = config["ADMIN_ANNOUNCEMENT_TIMEOUT"]
-ADD_TIMEOUT: int = config["ADD_TIMEOUT"]
-REMOVE_TIMEOUT: int = config["REMOVE_TIMEOUT"]
+FEEDBACK_TIMEOUT: int = config.get("FEEDBACK_TIMEOUT", 300)
+ADMIN_ANNOUNCEMENT_TIMEOUT: int = config.get("ADMIN_ANNOUNCEMENT_TIMEOUT", 300)
+ADD_TIMEOUT: int = config.get("ADD_TIMEOUT", 60)
+REMOVE_TIMEOUT: int = config.get("REMOVE_TIMEOUT", 60)