diff --git a/cmd/gpt-load/main.go b/cmd/gpt-load/main.go
index 8499453..1ce45b0 100644
--- a/cmd/gpt-load/main.go
+++ b/cmd/gpt-load/main.go
@@ -17,7 +17,7 @@ import (
 	"gpt-load/internal/keymanager"
 	"gpt-load/internal/middleware"
 	"gpt-load/internal/proxy"
-	"gpt-load/pkg/types"
+	"gpt-load/internal/types"
 
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
diff --git a/internal/config/manager.go b/internal/config/manager.go
index 5f7566b..60f2c1f 100644
--- a/internal/config/manager.go
+++ b/internal/config/manager.go
@@ -10,7 +10,7 @@ import (
 	"sync/atomic"
 
 	"gpt-load/internal/errors"
-	"gpt-load/pkg/types"
+	"gpt-load/internal/types"
 
 	"github.com/joho/godotenv"
 	"github.com/sirupsen/logrus"
diff --git a/internal/handler/handler.go b/internal/handler/handler.go
index f66e80c..bf1902c 100644
--- a/internal/handler/handler.go
+++ b/internal/handler/handler.go
@@ -6,7 +6,7 @@ import (
 	"runtime"
 	"time"
 
-	"gpt-load/pkg/types"
+	"gpt-load/internal/types"
 
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
diff --git a/internal/keymanager/manager.go b/internal/keymanager/manager.go
index d937714..9097789 100644
--- a/internal/keymanager/manager.go
+++ b/internal/keymanager/manager.go
@@ -12,7 +12,7 @@ import (
 	"time"
 
 	"gpt-load/internal/errors"
-	"gpt-load/pkg/types"
+	"gpt-load/internal/types"
 
 	"github.com/sirupsen/logrus"
 )
diff --git a/internal/middleware/middleware.go b/internal/middleware/middleware.go
index 9201d58..c3c6e91 100644
--- a/internal/middleware/middleware.go
+++ b/internal/middleware/middleware.go
@@ -7,7 +7,7 @@ import (
 	"time"
 
 	"gpt-load/internal/errors"
-	"gpt-load/pkg/types"
+	"gpt-load/internal/types"
 
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
diff --git a/internal/proxy/server.go b/internal/proxy/server.go
index ad52090..bcebe2e 100644
--- a/internal/proxy/server.go
+++ b/internal/proxy/server.go
@@ -16,7 +16,7 @@ import (
 	"time"
 
 	"gpt-load/internal/errors"
-	"gpt-load/pkg/types"
+	"gpt-load/internal/types"
 
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
diff --git a/pkg/types/interfaces.go b/internal/types/types.go
similarity index 99%
rename from pkg/types/interfaces.go
rename to internal/types/types.go
index c3ef551..5a75d4d 100644
--- a/pkg/types/interfaces.go
+++ b/internal/types/types.go
@@ -138,4 +138,4 @@ type RetryError struct {
 	ErrorMessage string `json:"errorMessage"`
 	KeyIndex     int    `json:"keyIndex"`
 	Attempt      int    `json:"attempt"`
-}
+}
\ No newline at end of file