diff --git a/middleware/auth.go b/middleware/auth.go
index ee8d9241..5f682eb6 100644
--- a/middleware/auth.go
+++ b/middleware/auth.go
@@ -197,8 +197,10 @@ func TokenAuth() func(c *gin.Context) {
 		// 或者是否 x-api-key 不为空且存在anthropic-version
 		// 谁知道有多少不符合规范没写anthropic-version的
 		// 所以就这样随它去吧（
-		if strings.Contains(c.Request.URL.Path, "/v1/messages") || (anthropicKey != "" && c.Request.Header.Get("anthropic-version") != "") {
-			c.Request.Header.Set("Authorization", "Bearer "+anthropicKey)
+		if strings.Contains(c.Request.URL.Path, "/v1/messages") {
+			if anthropicKey != "" {
+				c.Request.Header.Set("Authorization", "Bearer "+anthropicKey)
+			}
 		}
 		// gemini api 从query中获取key
 		if strings.HasPrefix(c.Request.URL.Path, "/v1beta/models") ||