diff --git a/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisTransPlanRuleServiceImpl.java b/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisTransPlanRuleServiceImpl.java
index 149021d12..47293286f 100644
--- a/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisTransPlanRuleServiceImpl.java
+++ b/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisTransPlanRuleServiceImpl.java
@@ -151,6 +151,7 @@ public class EmisTransPlanRuleServiceImpl extends EmisBaseService implements IEm
             trees = trees.stream().filter(i -> lineStartSiteCode.equals(i.getStartSiteCode()))
                     .collect(Collectors.toList());
         }
+        trees = deduplicate(trees);
         return trees;
     }
 
@@ -629,4 +630,46 @@ public class EmisTransPlanRuleServiceImpl extends EmisBaseService implements IEm
         globalVisited.add(node.getId());
     }
 
+    private boolean isSupplierCodeEqual(String s1, String s2) {
+        if (s1 == null || s2 == null)
+            return s1 == s2;
+        Set<String> set1 = new HashSet<>(Arrays.asList(s1.split(",")));
+        Set<String> set2 = new HashSet<>(Arrays.asList(s2.split(",")));
+        return set1.equals(set2);
+    }
+
+    private boolean hasProductTypeIntersection(String p1, String p2) {
+        if (p1 == null || p2 == null)
+            return false;
+        Set<String> set1 = new HashSet<>(Arrays.asList(p1.split(",")));
+        Set<String> set2 = new HashSet<>(Arrays.asList(p2.split(",")));
+        set1.retainAll(set2);
+        return !set1.isEmpty();
+    }
+
+    private boolean isDuplicate(EmisTransPlanRule a, EmisTransPlanRule b) {
+        return Objects.equals(a.getLineCode(), b.getLineCode())
+                && Objects.equals(a.getStartSiteCode(), b.getStartSiteCode())
+                && Objects.equals(a.getNextSiteCode(), b.getNextSiteCode())
+                && isSupplierCodeEqual(a.getSupplierCode(), b.getSupplierCode())
+                && Objects.equals(a.getProductType(), b.getProductType());
+    }
+
+    private List<EmisTransPlanRule> deduplicate(List<EmisTransPlanRule> trees) {
+        List<EmisTransPlanRule> result = new ArrayList<>();
+        for (EmisTransPlanRule rule : trees) {
+            boolean duplicate = false;
+            for (EmisTransPlanRule exist : result) {
+                if (isDuplicate(rule, exist)) {
+                    duplicate = true;
+                    break;
+                }
+            }
+            if (!duplicate) {
+                result.add(rule);
+            }
+        }
+        return result;
+    }
+
 }
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