diff --git a/docs/mteam.groovy b/docs/mteam.groovy
index 9311da4..2dddc33 100644
--- a/docs/mteam.groovy
+++ b/docs/mteam.groovy
@@ -37,11 +37,11 @@ private Map buildProfile(d) {
         fields: [
             id:         d.id?.toString(),
             username:   d.username?.toString(),
-            uploaded:   formatSize(d.uploaded as long),
-            downloaded: formatSize(d.downloaded as long),
+            uploaded:   utils.formatSize(d.uploaded as long),
+            downloaded: utils.formatSize(d.downloaded as long),
             bonus:      d.bonus?.toString(),
             seeding:    d.seeding?.toString(),
-            seedingSize: formatSize(d.seedingSize as long),
+            seedingSize: utils.formatSize(d.seedingSize as long),
             invite:     d.memberCount?.invite?.toString(),
         ]
     ]
@@ -52,7 +52,7 @@ private Map buildSearchResults(List items) {
         def st = it.status ?: [:]
         return [
             title:    it.name ?: '',
-            size:     formatSize((it.size ?: 0) as long),
+            size:     utils.formatSize((it.size ?: 0) as long),
             seeders:  st.seeders ?: 0,
             leechers: st.leechers ?: 0,
             grabs:    st.timesCompleted ?: 0,
@@ -63,15 +63,6 @@ private Map buildSearchResults(List items) {
     return [pageName: '搜索', extracted: rows, message: "共 ${rows.size()} 条"]
 }
 
-private String formatSize(long bytes) {
-    if (bytes == 0) return '0'
-    def units = ['B','KB','MB','GB','TB']
-    double v = bytes
-    int i = 0
-    while (v >= 1024 && i < units.size() - 1) { v /= 1024; i++ }
-    return String.format('%.2f %s', v, units[i])
-}
-
 // ==================== mediabot 运行时入口 ====================
 
 Map sync(PluginContext ctx) {
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 7045af0..27c5768 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
@@ -132,5 +132,21 @@ public class GroovyScriptEngine {
                 return null;
             } catch (Exception e) { return null; }
         }
+        /** 字节数 → 可读大小 */
+        public String formatSize(long bytes) {
+            if (bytes == 0) return "0";
+            String[] units = {"B","KB","MB","GB","TB"};
+            double v = bytes;
+            int i = 0;
+            while (v >= 1024 && i < units.length - 1) { v /= 1024; i++; }
+            return String.format("%.2f %s", v, units[i]);
+        }
+        /** 字符串转数字 */
+        public Long toLong(String s) {
+            try { return Long.parseLong(s.replaceAll("[^\\d-]", "")); } catch (NumberFormatException e) { return null; }
+        }
+        public Integer toInt(String s) {
+            try { return Integer.parseInt(s.replaceAll("[^\\d-]", "")); } catch (NumberFormatException e) { return null; }
+        }
     }
 }