diff --git a/server/egrpc/interceptor.go b/server/egrpc/interceptor.go
index 83aa4959..e2d22c57 100644
--- a/server/egrpc/interceptor.go
+++ b/server/egrpc/interceptor.go
@@ -215,8 +215,10 @@ type ctxStoreStruct struct{}
 
 // CtxStoreSet 从ctx中尝试获取ctxStore，并往其中插入kv
 func CtxStoreSet(ctx context.Context, k string, v any) {
-	skv, _ := ctx.Value(ctxStoreStruct{}).(*ctxStore)
-	skv.kvs[k] = v
+	skv, ok := ctx.Value(ctxStoreStruct{}).(*ctxStore)
+	if ok {
+		skv.kvs[k] = v
+	}
 }
 
 func (c *Container) defaultUnaryServerInterceptor() grpc.UnaryServerInterceptor {