1.企业端微信解绑修改。

picc-enterprise-server/src/main/java/com/jpsoft/picc/modules/pub/controller/UserController.java

@@ -441,7 +441,7 @@ public class UserController {
         try {
             AttributePrincipal principal = (AttributePrincipal) request.getUserPrincipal();
             CompanyUser companyUser = companyUserService.findByUserName(principal.getName());
-            companyUser.setOpenId(null);
+            companyUser.setOpenId("");
             int affectCount = companyUserService.update(companyUser);
 
             if(affectCount > 0) {