diff --git a/src/hooks/web/useFormConfig.ts b/src/hooks/web/useFormConfig.ts
index f0d5c65..e2346b1 100644
--- a/src/hooks/web/useFormConfig.ts
+++ b/src/hooks/web/useFormConfig.ts
@@ -117,7 +117,10 @@ export function useFormConfig() {
   async function queryConfig(formId:String,configName:String){
       const formTemplate = await getFormTemplateUsingCache(formId);
       const renderConfig=formTemplate.renderConfig;
-      const exportMatches = renderConfig.matchAll(/export\s+const\s+(\w+)\s*(?::\s*\w+(?:\[\])?)?\s*=\s*([\s\S]*?)(?=\n\s*export\s+const|\n\s*const|\n\s*export\s+function|\n\s*function|$)/g);
+      if(renderConfig==null){
+          return null;
+      }
+      const exportMatches = renderConfig.matchAll(/export\s+const\s+(\w+)\s*(?::\s*\w+(?:\[\])?)?\s*=\s*([\s\S]*?)(?=\n\s*export\s+const|\n\s*export\s+function|\n\s*function|$)/g);
       for (const match of exportMatches) {
           const varName = match[1];
           const valueCode = match[2].trim();