1 files changed, 4 insertions, 2 deletions
diff --git a/src/main/java/net/geedge/confagent/controller/PrometheusController.java b/src/main/java/net/geedge/confagent/controller/PrometheusController.java
index fea04df..bd72ed4 100644
--- a/src/main/java/net/geedge/confagent/controller/PrometheusController.java
+++ b/src/main/java/net/geedge/confagent/controller/PrometheusController.java
@@ -140,8 +140,10 @@ public class PrometheusController extends BaseController{
     public void proxy(HttpServletRequest request, HttpServletResponse response){
         String promPath = request.getServletPath().replace("/prometheus/proxy","");
         String token = request.getHeader("Authorization");
-        // prometheus authorization token 带有 “Bearer ” 前缀
-        token = token.replaceFirst("^Bearer\\s", "");
+        if (Tool.StrUtil.isNotBlank(token)) {
+            // prometheus authorization token 带有 “Bearer ” 前缀
+            token = token.replaceFirst("^Bearer\\s", "");
+        }
 
         R r = confagentUtil.checkToken(token);