diff --git a/hungng/HungNG_CI_Base_Controllers.php b/hungng/HungNG_CI_Base_Controllers.php
index 49cebd3..6c136a6 100644
--- a/hungng/HungNG_CI_Base_Controllers.php
+++ b/hungng/HungNG_CI_Base_Controllers.php
@@ -517,5 +517,19 @@ protected function command_clean_cache_apc()
 				show_404();
 			}
 		}
+
+		/**
+		 * Check is human by recaptcha from request
+		 *
+		 * @return bool
+		 */
+		protected function reCaptchaIsHuman()
+		{
+			$captcha = $this->input->post('g-recaptcha-response', true);
+			if (!$captcha) {
+				return false;
+			}
+			return true;
+		}
 	}
 }
diff --git a/hungng/HungNG_CI_Base_Module.php b/hungng/HungNG_CI_Base_Module.php
index bde9a7e..f34a2ba 100644
--- a/hungng/HungNG_CI_Base_Module.php
+++ b/hungng/HungNG_CI_Base_Module.php
@@ -517,5 +517,19 @@ protected function command_clean_cache_apc()
 				show_404();
 			}
 		}
+
+		/**
+		 * Check is human by recaptcha from request
+		 *
+		 * @return bool
+		 */
+		protected function reCaptchaIsHuman()
+		{
+			$captcha = $this->input->post('g-recaptcha-response', true);
+			if (!$captcha) {
+				return false;
+			}
+			return true;
+		}
 	}
 }