Nginx - loop Bug, I want to leave the address as is when it reaches the but

circuital loop

    location ~ ^/bot/(.*)$ {
        # root /
        set $var1 $1;
        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;
        # proxy_set_header Upgrade $http_upgrade; # allow websockets
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header X-Forwarded-For $remote_addr; # preserve client IP

        set $test_bot 0;
        if ($http_user_agent ~* "googlebot|yahoo|bingbot|baiduspider|yandex|yeti|slackbot|yodaobot|gigabot|ia_archiver|facebookexternalhit|twitterbot|developers\.google\.com") {
          set $test_bot 1;
        }
        if ($test_bot = 0) {
            rewrite ^/bot/(.*)$ https://homzit.com/$var1? break;
        }
    }

    location / {
        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade; # allow websockets
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header X-Forwarded-For $remote_addr; # preserve client IP

        # redirect www
        if ($host != "homzit.com") {
            rewrite ^ https://homzit.com$request_uri? permanent;
        }

        set $test_ua 0;
        if ($http_user_agent ~* "googlebot|yahoo|bingbot|baiduspider|yandex|yeti|slackbot|yodaobot|gigabot|ia_archiver|facebookexternalhit|twitterbot|developers\.google\.com") {
          set $test_ua 1;
        }
        if ($uri ~* "^/bot") {
          set $test_ua 1;
        }
        if ($test_ua = 1) {
            return 302 https://homzit.com/bot$request_uri?;
        }

        # this setting allows the browser to cache the application in a way compatible with Meteor
        # on every applicaiton update the name of CSS and JS file is different, so they can be cache infinitely (here: 30 days)
        # the root path (/) MUST NOT be cached
        if ($uri != '/') {
            expires 30d;
        }
    }