diff --git a/par-core/src/main/java/com/par/core/adapter/GroovyScriptEngine.java b/par-core/src/main/java/com/par/core/adapter/GroovyScriptEngine.java
index 0c9d957..6a06e8a 100644
--- a/par-core/src/main/java/com/par/core/adapter/GroovyScriptEngine.java
+++ b/par-core/src/main/java/com/par/core/adapter/GroovyScriptEngine.java
@@ -55,25 +55,32 @@ public class GroovyScriptEngine {
 
     private Map<String, Object> buildResult(Map<String, Object> result, Object scriptResult) {
         if (scriptResult instanceof Map) {
-            result.put("matched", true);
             Map<String, Object> m = (Map<String, Object>) scriptResult;
-            result.put("pageName", m.getOrDefault("pageName", "Groovy脚本"));
+            String pageName = toString(m.get("pageName"));
+            result.put("pageName", pageName != null ? pageName : "Groovy脚本");
+
             if (m.containsKey("fields")) {
-                result.put("extracted", List.of(m.get("fields")));
+                result.put("matched", true);
+                result.put("extracted", List.of(stringifyValues(m.get("fields"))));
                 result.put("rowCount", 1);
                 result.put("fieldCount", ((Map<?, ?>) m.get("fields")).size());
             } else if (m.containsKey("extracted")) {
+                result.put("matched", true);
                 List<?> ex = (List<?>) m.get("extracted");
                 result.put("extracted", ex);
                 result.put("rowCount", ex.size());
                 result.put("fieldCount", !ex.isEmpty() && ex.get(0) instanceof Map
                         ? ((Map<?, ?>) ex.get(0)).size() : 0);
             } else {
-                result.put("extracted", List.of(m));
+                // 无 fields/extracted → 可能是错误返回或简单结果
+                boolean isError = "解析失败".equals(pageName);
+                result.put("matched", !isError);
+                result.put("extracted", List.of(stringifyValues(m)));
                 result.put("rowCount", 1);
                 result.put("fieldCount", m.size());
             }
-            result.put("message", m.getOrDefault("message", "解析成功"));
+            result.put("message", toString(m.get("message")));
+            if (result.get("message") == null) result.put("message", "解析成功");
         } else if (scriptResult instanceof List) {
             result.put("matched", true);
             result.put("pageName", "Groovy脚本");
@@ -98,6 +105,21 @@ public class GroovyScriptEngine {
     }
 
     /** 从 Groovy 异常中提取含行号的错误信息 */
+    private String toString(Object val) {
+        return val != null ? val.toString() : null;
+    }
+
+    @SuppressWarnings("unchecked")
+    private Map<String, Object> stringifyValues(Object obj) {
+        if (!(obj instanceof Map)) return Map.of();
+        Map<String, Object> result = new LinkedHashMap<>();
+        for (Map.Entry<?, ?> e : ((Map<?, ?>) obj).entrySet()) {
+            Object v = e.getValue();
+            result.put(e.getKey().toString(), v != null ? v.toString() : null);
+        }
+        return result;
+    }
+
     private String extractGroovyError(Exception e) {
         StringBuilder sb = new StringBuilder();
         sb.append(e.getMessage() != null ? e.getMessage() : e.getClass().getSimpleName());