Merge branch 'modify-ui' into dev

# Conflicts:
#	Assets/Scripts/UI/Prefab/Panel/HomeController.cs
#	Assets/Scripts/Utils/Utils.cs

Assets/Scripts/Utils/Utils.cs

@@ -96,5 +96,19 @@ namespace Assets.Scripts
             ColorUtility.TryParseHtmlString(hex, out Color c);
             return c;
         }
+        
+        /// <summary>
+        /// Generate random digit code
+        /// </summary>
+        /// <param name="length">Length</param>
+        /// <returns>Result string</returns>
+        public static string GenerateRandomDigitCode(int length)
+        {
+            var random = new System.Random();
+            string str = string.Empty;
+            for (int i = 0; i < length; i++)
+                str = String.Concat(str, random.Next(10).ToString());
+            return str;
+        }
     }
 }