diff --git a/gg-g_counter/src/main.rs b/gg-g_counter/src/main.rs
index bcaf4a9..edc3498 100644
--- a/gg-g_counter/src/main.rs
+++ b/gg-g_counter/src/main.rs
@@ -36,13 +36,11 @@ impl Node for Counter {
             "add" => {
                 let delta = req.body.payload.get("delta").unwrap().as_i64().unwrap();
                 loop {
-                    let cur = self.0;
+                    let cur = kv.read(runner, KEY).unwrap().unwrap().as_i64().unwrap();
+                    let cur = cur.max(self.0);
                     let new = cur + delta;
                     match kv.cas(runner, KEY, cur.into(), new.into(), false) {
-                        Err(_e) => {
-                            let cur = kv.read(runner, KEY).unwrap().unwrap().as_i64().unwrap();
-                            self.0 = cur;
-                        }
+                        Err(_e) => {}
                         Ok(_) => {
                             let nodes = runner
                                 .nodes()