diff --git a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java
index 6b46390..6374910 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java
@@ -927,8 +927,23 @@ private String handleTF(String input) {
 
     private String mapDistribution(String v) {
         if (v == null) return "";
-        if (v.startsWith("H")) return "鸿";
-        if (v.startsWith("F")) return "凡";
+        
+        // 如果长度大于4，进行截取
+        String processedV = v;
+        if (v.length() > 4) {
+            // 查找第一个左括号的位置
+            int leftParenIndex = v.indexOf('(');
+            if (leftParenIndex > 0) {
+                // 截取到左括号之前的部分
+                processedV = v.substring(0, leftParenIndex);
+            } else {
+                // 如果没有括号，直接截取前4个字符
+                processedV = v.substring(0, 4);
+            }
+        }
+        
+        if (processedV.startsWith("H")) return "鸿";
+        if (processedV.startsWith("F")) return "凡";
         return "";
     }