diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/rule/CategoryCodeRule.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/rule/CategoryCodeRule.java
index 49dc53cc..aa434ce5 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/rule/CategoryCodeRule.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/rule/CategoryCodeRule.java
@@ -26,15 +26,7 @@ public class CategoryCodeRule implements IFillRuleHandler {
         String categoryPid = ROOT_PID_VALUE;
         String categoryCode = null;
 
-        if (formData != null && formData.size() > 0) {
-            Object obj = formData.get("pid");
-            if (oConvertUtils.isNotEmpty(obj)) categoryPid = obj.toString();
-        } else {
-            if (params != null) {
-                Object obj = params.get("pid");
-                if (oConvertUtils.isNotEmpty(obj)) categoryPid = obj.toString();
-            }
-        }
+        categoryPid = getCateGoryPid(params, formData, categoryPid);
 
         /*
          * 分成三种情况
@@ -61,4 +53,21 @@ public class CategoryCodeRule implements IFillRuleHandler {
         }
         return categoryCode;
     }
+
+    private String getCateGoryPid(JSONObject params, JSONObject formData, String categoryPid) {
+        if (formData != null && formData.size() > 0) {
+            Object obj = formData.get("pid");
+            if (oConvertUtils.isNotEmpty(obj)) {
+                categoryPid = obj.toString();
+            }
+        } else {
+            if (params != null) {
+                Object obj = params.get("pid");
+                if (oConvertUtils.isNotEmpty(obj)) {
+                    categoryPid = obj.toString();
+                }
+            }
+        }
+        return categoryPid;
+    }
 }