登录验证码配置优化

maxkey-webs/maxkey-web-mgt/src/main/java/org/dromara/maxkey/web/contorller/LoginEntryPoint.java

@@ -68,7 +68,9 @@ public class LoginEntryPoint {
 		Institutions inst = (Institutions)WebContext.getAttribute(WebConstants.CURRENT_INST);
 		model.put("inst", inst);
 		if(applicationConfig.getLoginConfig().isCaptcha()) {
-			model.put("captcha", "true");
+			model.put("captcha", applicationConfig.getLoginConfig().getCaptchaType());
+		}else {
+			model.put("captcha", "NONE");
 		}
 		model.put("state", authTokenService.genRandomJwt());
 		return new Message<HashMap<String , Object>>(model);