diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/family/FamilyGrantUserRoleExe.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/family/FamilyGrantUserRoleExe.java
index 521432d8..85992f42 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/family/FamilyGrantUserRoleExe.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/family/FamilyGrantUserRoleExe.java
@@ -9,17 +9,11 @@ import com.red.circle.other.infra.database.rds.service.family.FamilyMemberInfoSe
 import com.red.circle.other.infra.enums.family.FamilyRoleEnum;
 import com.red.circle.other.inner.asserts.FamilyErrorCode;
 import java.util.Objects;
-import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 
 /**
- * <p>
  * 授权用户家族权限.
- * </p>
- *
- * @author pengshigang
- * @since 2021-07-22
  */
 @Component
 @RequiredArgsConstructor
@@ -29,75 +23,87 @@ public class FamilyGrantUserRoleExe {
   private final FamilyMemberInfoService familyMemberInfoService;
 
   public void execute(FamilyGrantUserRoleCmd cmd) {
-    ResponseAssert.isTrue(FamilyErrorCode.NOT_EXIST_FAMILY_INFO_DATA, getExistFamilyByUserId(cmd));
-    ResponseAssert.isFalse(CommonErrorCode.INSUFFICIENT_PERMISSION, isGrantAdmin(cmd));
+    ResponseAssert.isTrue(FamilyErrorCode.NOT_EXIST_FAMILY_INFO_DATA,
+        familyCommon.isExistFamilyByUserId(cmd.getReqUserId()));
+    FamilyRoleEnum familyRoleEnum = FamilyRoleEnum.valueOf(cmd.getRoleKey());
 
-    FamilyMemberInfo manageMember = getOperatorMember(cmd);
-    ResponseAssert.notNull(FamilyErrorCode.NOT_EXIST_FAMILY_INFO_DATA, manageMember);
-    FamilyMemberInfo member = getAuthorizedMember(cmd);
-    ResponseAssert.notNull(FamilyErrorCode.NOT_EXIST_FAMILY_INFO_DATA, member);
-    ResponseAssert
-        .isFalse(CommonErrorCode.INSUFFICIENT_PERMISSION, isPermissionDenied(manageMember, member));
-    ResponseAssert.isFalse(CommonErrorCode.OPERATION_CONFLICT,
-        Objects.equals(member.getMemberUserId(), cmd.getReqUserId()));
+    FamilyMemberInfo operator = familyMemberInfoService.getFamilyMemberByUserId(cmd.getReqUserId());
+    ResponseAssert.notNull(FamilyErrorCode.NOT_EXIST_FAMILY_INFO_DATA, operator);
 
-    checkGrantManage(cmd, manageMember);
+    FamilyMemberInfo target = familyMemberInfoService.geMemberByMemberId(cmd.getAuthorizedMemberId());
+    ResponseAssert.notNull(FamilyErrorCode.NOT_EXIST_FAMILY_INFO_DATA, target);
 
-    updateRoleById(cmd);
-  }
+    validateBasicRules(cmd, operator, target);
 
-  private boolean isPermissionDenied(FamilyMemberInfo manageMember, FamilyMemberInfo member) {
-    return Objects.equals(manageMember.getMemberRole(), member.getMemberRole()) && Objects
-        .equals(manageMember.getMemberRole(), FamilyRoleEnum.MANAGE.getKey());
-  }
+    validatePermission(cmd, operator, target);
 
+    validateBusinessRules(cmd, operator);
 
-  private void checkGrantManage(FamilyGrantUserRoleCmd cmd, FamilyMemberInfo manageMember) {
-
-    ResponseAssert.isFalse(FamilyErrorCode.FAMILY_MANAGE_MAX,
-        Objects.equals(manageMember.getMemberRole(), FamilyRoleEnum.MEMBER.getKey()));
-
-    if (!Objects.equals(cmd.getRoleKey(), FamilyRoleEnum.MANAGE.getKey())) {
-      return;
-    }
-    ResponseAssert.isTrue(FamilyErrorCode.FAMILY_MANAGE_MAX, isAllowGrant(cmd, manageMember));
-  }
-
-  private boolean isAllowGrant(FamilyGrantUserRoleCmd cmd, FamilyMemberInfo manageMember) {
-    return getFamilyCurrentManagerCount(manageMember) < getFamilyLevelMaxManagerCount(cmd,
-        manageMember);
-  }
-
-  private Integer getFamilyCurrentManagerCount(FamilyMemberInfo manageMember) {
-    return familyMemberInfoService.getManagerCount(manageMember.getFamilyId());
-  }
-
-  private Integer getFamilyLevelMaxManagerCount(FamilyGrantUserRoleCmd cmd,
-      FamilyMemberInfo manageMember) {
-    return Optional.ofNullable(
-        familyCommon.getFamilyDetails(cmd.getReqSysOrigin().getOrigin(), manageMember.getFamilyId())
-            .getMaxManager()).orElse(0);
-  }
-
-  private Boolean getExistFamilyByUserId(FamilyGrantUserRoleCmd cmd) {
-    return familyCommon.isExistFamilyByUserId(cmd.getReqUserId());
-  }
-
-  private void updateRoleById(FamilyGrantUserRoleCmd cmd) {
     familyMemberInfoService.updateRoleById(cmd.getAuthorizedMemberId(), cmd.getRoleKey());
   }
 
-  private boolean isGrantAdmin(FamilyGrantUserRoleCmd cmd) {
-    return Objects.equals(FamilyRoleEnum.ADMIN.getKey(), cmd.getRoleKey());
+  /**
+   * 基础规则校验.
+   */
+  private void validateBasicRules(FamilyGrantUserRoleCmd cmd, FamilyMemberInfo operator, FamilyMemberInfo target) {
+    // 不能授予族长权限
+    ResponseAssert.isFalse(CommonErrorCode.INSUFFICIENT_PERMISSION,
+        FamilyRoleEnum.ADMIN.getKey().equals(cmd.getRoleKey()));
+
+    // 不能操作自己
+    ResponseAssert.isFalse(CommonErrorCode.OPERATION_CONFLICT,
+        Objects.equals(operator.getMemberUserId(), target.getMemberUserId()));
+
+    ResponseAssert.isFalse(CommonErrorCode.OPERATION_CONFLICT, Objects.equals(target.getMemberRole(), cmd.getRoleKey()));
   }
 
-  private FamilyMemberInfo getAuthorizedMember(FamilyGrantUserRoleCmd cmd) {
-    return familyMemberInfoService
-        .geMemberByMemberId(cmd.getAuthorizedMemberId());
+  /**
+   * 权限校验.
+   */
+  private void validatePermission(FamilyGrantUserRoleCmd cmd, FamilyMemberInfo operator, FamilyMemberInfo target) {
+    String operatorRole = operator.getMemberRole();
+    String targetRole = target.getMemberRole();
+    String newRole = cmd.getRoleKey();
+
+    // 操作者是族长
+    if (FamilyRoleEnum.ADMIN.getKey().equals(operatorRole)) {
+      return;
+    }
+
+    // 操作者是管理员
+    if (FamilyRoleEnum.MANAGE.getKey().equals(operatorRole)) {
+      // 管理员不能操作族长
+      ResponseAssert.isFalse(CommonErrorCode.INSUFFICIENT_PERMISSION,
+          FamilyRoleEnum.ADMIN.getKey().equals(targetRole));
+
+      // 管理员不能操作同级管理员
+      ResponseAssert.isFalse(CommonErrorCode.INSUFFICIENT_PERMISSION,
+          FamilyRoleEnum.MANAGE.getKey().equals(targetRole));
+
+      // 管理员只能将成员降级，不能授予管理员权限
+      ResponseAssert.isFalse(CommonErrorCode.INSUFFICIENT_PERMISSION,
+          FamilyRoleEnum.MANAGE.getKey().equals(newRole));
+
+      return;
+    }
+
+    // 操作者是普通成员 - 没有任何授权权限
+    ResponseAssert.isTrue(CommonErrorCode.INSUFFICIENT_PERMISSION, false);
   }
 
-  private FamilyMemberInfo getOperatorMember(FamilyGrantUserRoleCmd cmd) {
-    return familyMemberInfoService.getFamilyMemberByUserId(cmd.getReqUserId());
-  }
+  /**
+   * 业务规则校验.
+   */
+  private void validateBusinessRules(FamilyGrantUserRoleCmd cmd, FamilyMemberInfo operator) {
+    // 如果要授予管理员权限，检查管理员数量限制
+    if (FamilyRoleEnum.MANAGE.getKey().equals(cmd.getRoleKey())) {
+      int currentManagerCount = familyMemberInfoService.getManagerCount(operator.getFamilyId());
+      int maxManagerCount = familyCommon
+          .getFamilyDetails(cmd.getReqSysOrigin().getOrigin(), operator.getFamilyId())
+          .getMaxManager();
 
+      ResponseAssert.isTrue(FamilyErrorCode.FAMILY_MANAGE_MAX,
+          currentManagerCount < maxManagerCount);
+    }
+  }
 }
diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/family/FamilyServiceImpl.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/family/FamilyServiceImpl.java
index 04d94944..bf08aea0 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/family/FamilyServiceImpl.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/family/FamilyServiceImpl.java
@@ -146,13 +146,9 @@ public class FamilyServiceImpl implements FamilyService {
   @Override
   public void grantUserRole(FamilyGrantUserRoleCmd cmd) {
     if (Objects.equals(cmd.getRoleKey(), "REMOVE")) {
-
-      Long userId = familyMemberIdGetUserIdExe.execute(cmd.getAuthorizedMemberId());
-      if (Objects.isNull(userId)) {
-        return;
-      }
       FamilyRemoveUserCmd removeUserCmd = new FamilyRemoveUserCmd();
-      removeUserCmd.setRemoveMemberId(userId);
+      removeUserCmd.setRemoveMemberId(cmd.getAuthorizedMemberId());
+      removeUserCmd.setReqUserId(cmd.getReqUserId());
       familyRemoveUserExe.execute(removeUserCmd);
       return;
     }
diff --git a/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/cmd/family/FamilyGrantUserRoleCmd.java b/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/cmd/family/FamilyGrantUserRoleCmd.java
index 811d432b..e9e92a8c 100644
--- a/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/cmd/family/FamilyGrantUserRoleCmd.java
+++ b/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/cmd/family/FamilyGrantUserRoleCmd.java
@@ -24,7 +24,7 @@ public class FamilyGrantUserRoleCmd extends AppExtCommand {
   private Long authorizedMemberId;
 
   /**
-   * 被授权成员ID.
+   * MANAGE-管理员；MEMBER-用户
    */
   private String roleKey;