diff --git a/app/common/model/CrmCustomer.php b/app/common/model/CrmCustomer.php
index f050186..bc439db 100644
--- a/app/common/model/CrmCustomer.php
+++ b/app/common/model/CrmCustomer.php
@@ -61,7 +61,7 @@ class CrmCustomer extends Model
     public static function generateCustomerCode($customer)
     {
         // 生成唯一16位code，CM+14位
-        $unique = strtoupper(substr(md5($customer->id . microtime(true) . mt_rand(1000, 9999)), 8, 14));
+        $unique = strtoupper(substr(md5($customer->id . microtime(true) . mt_rand(1000, 9999)), 8, 6));
         $code = 'CM' . date('Ymd') .$unique;
         return $code;
     }
diff --git a/app/crm/model/Customer.php b/app/crm/model/Customer.php
index ff0287d..326eb72 100644
--- a/app/crm/model/Customer.php
+++ b/app/crm/model/Customer.php
@@ -94,7 +94,7 @@ class Customer extends Model
     public static function generateCustomerCode($customer)
     {
         // 生成唯一16位code，CM+14位
-        $unique = strtoupper(substr(md5($customer->id . microtime(true) . mt_rand(1000, 9999)), 8, 14));
+        $unique = strtoupper(substr(md5($customer->id . microtime(true) . mt_rand(1000, 9999)), 8, 6));
         $code = 'CM' . date('Ymd') .$unique;
         return $code;
     }