diff --git a/go-socks-lb.yml.template b/go-socks-lb.yml.template
index d1910d7..71932cc 100644
--- a/go-socks-lb.yml.template
+++ b/go-socks-lb.yml.template
@@ -2,6 +2,6 @@ proxy:{% for i in instances %}
   - url: "socks5://192.168.122.128:{{1080+i["idx"]}}"
     weight: {{i["weight"]}}
 {% end %}
-load-balance-mode: "cached-shuffle"
+load-balance-mode: "{{load_balance_mode}}"
 cache-max-length: 256
 dynamic-weight-file: "{{dynamic_weight_fp}}"
diff --git a/go-socks-lb/manager.go b/go-socks-lb/manager.go
index 5f1f434..174ff2e 100644
--- a/go-socks-lb/manager.go
+++ b/go-socks-lb/manager.go
@@ -152,6 +152,8 @@ func (pm *ProxyManager) DescribeLoadBalanceMode() string {
 		return fmt.Sprintf("sticky with maximum cache size of %d", pm.CacheMaxLength)
 	} else if pm.LoadBalanceMode == cachedShuffle {
 		return fmt.Sprintf("cached shuffle with maximum cache size of %d", pm.CacheMaxLength)
+	} else if pm.LoadBalanceMode == fallback {
+		return "fallback mode"
 	} else {
 		return "randomize every connection"
 	}
@@ -214,12 +216,10 @@ func (pm *ProxyManager) Get(addr string) (string, bool) {
 	} else if pm.LoadBalanceMode == fallback {
 		addr := "*"
 		idx, ok := pm.Cache.Get(addr)
-		if ok {
-			idx = (idx + 1) % (len(pm.enabledIndics))
-		} else {
+		if !ok {
 			idx = pm.Chooser.Pick().(int)
+			pm.Cache.SetTrim(addr, idx, pm.CacheMaxLength)
 		}
-		pm.Cache.SetTrim(addr, idx, pm.CacheMaxLength)
 		return pm.Proxys[pm.enabledIndics[idx]].URL, true
 	} else {
 		idx := pm.Chooser.Pick().(int)
diff --git a/o_manager.py b/o_manager.py
index 5d4bba0..c68e294 100644
--- a/o_manager.py
+++ b/o_manager.py
@@ -41,10 +41,10 @@ class OManager:
 
     def generate_lb_cfg(self, load_balance_mode):
         lb_cfg_fp = os.path.join(
-            self.base_folder, "go-socks-lb.yml")
+            self.base_folder, f"go-socks-lb-{load_balance_mode}.yml")
 
         self.dynamic_weight_fp = os.path.join(self.base_folder, "weights.json")
-        with open(f"go-socks-lb-{load_balance_mode}.yml.template", "r") as template_f:
+        with open(f"go-socks-lb.yml.template", "r") as template_f:
             buf = template_f.read()
         template = Template(buf)
         items = {