diff --git a/rule/rule.go b/rule/rule.go
index 58f942c..f7ccab7 100644
--- a/rule/rule.go
+++ b/rule/rule.go
@@ -71,8 +71,8 @@ func CheckRules(ruleIds []string, r *http.Request) (*object.Action, string, erro
 			case "Allow":
 				actionObj.Type = "Allow"
 				actionObj.StatusCode = 200
-			case "Captcha":
-				actionObj.Type = "Captcha"
+			case "CAPTCHA":
+				actionObj.Type = "CAPTCHA"
 				actionObj.StatusCode = 302
 			default:
 				return nil, "", fmt.Errorf("unknown rule action: %s for rule: %s", action, rule.GetId())
@@ -88,7 +88,7 @@ func CheckRules(ruleIds []string, r *http.Request) (*object.Action, string, erro
 				return actionObj, reason, nil
 			} else if action == "Allow" {
 				return actionObj, reason, nil
-			} else if action == "Captcha" {
+			} else if action == "CAPTCHA" {
 				return actionObj, reason, nil
 			} else {
 				return nil, "", fmt.Errorf("unknown rule action: %s for rule: %s", action, rule.GetId())
diff --git a/service/proxy.go b/service/proxy.go
index 9556438..24c074a 100644
--- a/service/proxy.go
+++ b/service/proxy.go
@@ -214,7 +214,7 @@ func handleRequest(w http.ResponseWriter, r *http.Request) {
 		case "Drop":
 			responseError(w, "Dropped by CasWAF: %s", reason)
 			w.WriteHeader(action.StatusCode)
-		case "Captcha":
+		case "CAPTCHA":
 			ok := isVerifiedSession(r)
 			if ok {
 				w.WriteHeader(http.StatusOK)