From fc90a5af2343660184e45fcb88c3c643845fbaed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E6=99=BA=E8=B6=850668000959?=
 <cheng.zhichao@xydigit.com>
Date: Tue, 9 Jun 2026 09:41:14 +0800
Subject: [PATCH] fix(config): add ok check for type assertion in migration
 model name indexing

---
 pkg/config/migration.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/config/migration.go b/pkg/config/migration.go
index 40ef1a5a2..92a64deb1 100644
--- a/pkg/config/migration.go
+++ b/pkg/config/migration.go
@@ -501,7 +501,10 @@ func mergeModelListsWithMap(mainML []any, secML map[string]any) error {
 	for i, m := range mainML {
 		if mVal, ok := m.(map[string]any); ok {
 			if name, hasName := mVal["model_name"]; hasName {
-				nameStr := name.(string)
+				nameStr, ok := name.(string)
+				if !ok {
+					return fmt.Errorf("model_name must be a string, got %T", name)
+				}
 				index := countMap[nameStr]
 				indexedKeys[fmt.Sprintf("%s:%d", nameStr, index)] = i
 				if _, ok := indexedKeys[nameStr]; !ok {