diff --git a/byd-structuredplugins-serve/laws-single-startup/src/main/resources/application-dev.yml b/byd-structuredplugins-serve/laws-single-startup/src/main/resources/application-dev.yml
index 1514807..985d9c6 100644
--- a/byd-structuredplugins-serve/laws-single-startup/src/main/resources/application-dev.yml
+++ b/byd-structuredplugins-serve/laws-single-startup/src/main/resources/application-dev.yml
@@ -482,3 +482,7 @@ watermark:
   margin:
     top: 100
     left: 60
+
+# 特殊公式处理服务URL
+mathToImg:
+  url: http://127.0.0.1:9998/mathToImg