diff --git a/internal/runtime/executor/antigravity_executor_credits_test.go b/internal/runtime/executor/antigravity_executor_credits_test.go
index cc9a897b..a763d19f 100644
--- a/internal/runtime/executor/antigravity_executor_credits_test.go
+++ b/internal/runtime/executor/antigravity_executor_credits_test.go
@@ -21,11 +21,16 @@ import (
 	sdktranslator "github.com/router-for-me/CLIProxyAPI/v7/sdk/translator"
 )
 
+// resetAntigravityCreditsRetryState clears the package-level credits state
+// between tests. It empties each map in place instead of assigning a fresh
+// sync.Map, because credits hint refreshes run on background goroutines that
+// may still be writing these maps when a test's cleanup runs. Replacing the
+// variable is an unsynchronized write and races with them; Clear is not.
 func resetAntigravityCreditsRetryState() {
-	antigravityCreditsFailureByAuth = sync.Map{}
-	antigravityShortCooldownByAuth = sync.Map{}
-	antigravityCreditsBalanceByAuth = sync.Map{}
-	antigravityCreditsHintRefreshByID = sync.Map{}
+	antigravityCreditsFailureByAuth.Clear()
+	antigravityShortCooldownByAuth.Clear()
+	antigravityCreditsBalanceByAuth.Clear()
+	antigravityCreditsHintRefreshByID.Clear()
 }
 
 type closeSignalReadCloser struct {