diff --git a/run.sh b/run.sh
index ff340a8..2be2ddd 100755
--- a/run.sh
+++ b/run.sh
@@ -140,7 +140,8 @@ start_backend() {
         return 1
     }
 
-    nohup ./"$BACKEND_BIN" >> logs/server.log 2>&1 &
+    # 显式指定根目录配置文件，避免 backend/ 目录下没有 config.yaml 时落到默认配置 // Logan.Li
+    nohup ./"$BACKEND_BIN" --config "$SCRIPT_DIR/config.yaml" >> logs/server.log 2>&1 &
     echo $! > "$BACKEND_PID_FILE"
 
     # 等待服务启动