diff --git a/common/config/config.go b/common/config/config.go
index 9fd7cba0..4d54f4e5 100644
--- a/common/config/config.go
+++ b/common/config/config.go
@@ -141,3 +141,5 @@ var MetricSuccessChanSize = env.Int("METRIC_SUCCESS_CHAN_SIZE", 1024)
 var MetricFailChanSize = env.Int("METRIC_FAIL_CHAN_SIZE", 128)
 
 var InitialRootToken = os.Getenv("INITIAL_ROOT_TOKEN")
+
+var GeminiVersion = env.String("GEMINI_VERSION", "v1")
diff --git a/relay/adaptor/gemini/adaptor.go b/relay/adaptor/gemini/adaptor.go
index 45124752..6a2867e4 100644
--- a/relay/adaptor/gemini/adaptor.go
+++ b/relay/adaptor/gemini/adaptor.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/common/config"
 	"github.com/songquanpeng/one-api/common/helper"
 	channelhelper "github.com/songquanpeng/one-api/relay/adaptor"
 	"github.com/songquanpeng/one-api/relay/adaptor/openai"
@@ -21,7 +22,7 @@ func (a *Adaptor) Init(meta *meta.Meta) {
 }
 
 func (a *Adaptor) GetRequestURL(meta *meta.Meta) (string, error) {
-	version := helper.AssignOrDefault(meta.APIVersion, "v1")
+	version := helper.AssignOrDefault(meta.APIVersion, config.GeminiVersion)
 	action := "generateContent"
 	if meta.IsStream {
 		action = "streamGenerateContent"