diff --git a/rule/exclusive_customer.xlsx b/rule/exclusive_customer.xlsx
new file mode 100644
index 0000000..790f3d1
Binary files /dev/null and b/rule/exclusive_customer.xlsx differ
diff --git a/tools/t7.py b/tools/t7.py
index a6f4d9c..a6e3c1e 100644
--- a/tools/t7.py
+++ b/tools/t7.py
@@ -41,6 +41,7 @@ class AutoLayout:
         # 文库
         self.chip_classification = defaultdict(set)
         self.rule = self.read_rule()
+        self.rule_exclusive_customer = self.read_rule_exclusive_customer()
 
         # 不平衡文库
         self.chip_speciallib_size = dict()
@@ -162,6 +163,15 @@ class AutoLayout:
         res = pd.concat([df, newdf])
         return res.reset_index()
 
+    @staticmethod
+    def read_rule_exclusive_customer():
+        df = pd.read_excel(os.path.join(basedir, 'rule', 'exclusive_customer.xlsx'))
+        newdf = pd.DataFrame()
+        newdf['customer1'] = df['customer2']
+        newdf['customer2'] = df['customer1']
+        res = pd.concat([df, newdf])
+        return res.reset_index()
+
     @staticmethod
     def read_cols():
         df = pd.read_excel(os.path.join(basedir, 'rule', 'columns.xlsx'))
@@ -230,12 +240,19 @@ class AutoLayout:
             return True
         return False
 
+    def use_rule_exclusive_customer(self, chipname, customer):
+        may_classfic = set(self.rule_exclusive_customer[self.rule_exclusive_customer['customer1'] == customer]['customer2'])
+        if self.chip_customer[chipname].intersection(may_classfic):
+            return True
+        return False
+
     def judge_data(self, chipname, library_data):
         """
         约束条件
         """
         size = library_data['size']
         classification = library_data['classification']
+        customer = library_data['customer']
         is_balance_lib = library_data['is_balance_lib']
 
         # 芯片大小不能超过设定限制
@@ -257,6 +274,11 @@ class AutoLayout:
         if self.use_rule(chipname, classification):
             exclusive_classific = False
 
+        # 互斥的用户
+        exclusive_customer = True
+        if self.use_rule_exclusive_customer(chipname, customer):
+            exclusive_customer = False
+
         # 不平衡文库大于250G 不能添加
         splibrary = True
         if is_balance_lib == '否' and self.chip_speciallib_size[chipname] + size > 250:
@@ -282,7 +304,7 @@ class AutoLayout:
             if is_not_balance_list:
                 base_balance = False
 
-        if sizelimit and notrepeatbarcode and exclusive_classific and splibrary and base_balance and spmethylibrary:
+        if sizelimit and notrepeatbarcode and exclusive_classific and exclusive_customer and splibrary and base_balance and spmethylibrary:
             return True
         return False