fix

@@ -11,18 +11,18 @@ const {CAPTCHA_SWITCH, CAPTCHA_TYPE} = require('../models/captcha-type');
 
 
 const isGeetest = (req) => {
-    return _.get(req.app.locals.pc, 'geetest.validation', false);
+    return _.get(req.session, 'captcha.type', '') === CAPTCHA_TYPE.geetest;
 };
 
 function required(req, res, next) {
     img.trySwitch(req).then(() => {
-        if (isGeetest(req)) {
+        if (req.session.captcha.type === CAPTCHA_TYPE.image && req.session.captcha.value === CAPTCHA_SWITCH.off) {
             const captcha = {
                 type: CAPTCHA_TYPE.geetest,
                 value: CAPTCHA_SWITCH.on
             };
 
-            req.session.capthca = captcha;
+            req.session.captcha = captcha;
             req.app.locals.captcha = captcha;
         }
         next();