diff --git a/game-server/app/servers/guild/handler/gvgHandler.ts b/game-server/app/servers/guild/handler/gvgHandler.ts
index 76a027f2d..855ec415e 100644
--- a/game-server/app/servers/guild/handler/gvgHandler.ts
+++ b/game-server/app/servers/guild/handler/gvgHandler.ts
@@ -410,9 +410,6 @@ export class GVGHandler {
         let { configId, period } = getGVGPeriodData();
         if(period != GVG_PERIOD.PREPARE) return resResult(STATUS.GVG_NOT_PREPARE_PERIOD);
 
-        const dicTech = gameData.gvgTech.get(techId);
-        if(!dicTech) return resResult(STATUS.DIC_DATA_NOT_FOUND);
-
         const myLeague = await GVGLeagueModel.findLeagueByGuild(guildCode);
         if(!myLeague) return resResult(STATUS.GVG_LEAGUE_NOT_EXIST);
 
@@ -420,18 +417,37 @@ export class GVGHandler {
         const checkAuth = await checkLeagueAuth(roleId, myLeague, LEAGUE_MANAGE_TYPE.UNLOCK_TECH);
         if(!checkAuth) return resResult(STATUS.GVG_HAS_NO_AUTH);
 
+        let dicTech = gameData.gvgTech.get(techId);
+        if(!dicTech) return resResult(STATUS.DIC_DATA_NOT_FOUND);
         // 并发锁
         let res: any = await lockLeagueData(DATA_NAME.LEAGUE_TECH, myLeague.leagueCode);//加锁
         if (!!res.err) return resResult(STATUS.REDLOCK_ERR);
 
         let leaguePrepare = await GVGLeaguePrepareModel.findByLeague(configId, myLeague.leagueCode);
 
-        if(!checkTechProgress(techId, leaguePrepare?.techQueue||[])) {
-            res.releaseCallback();
-            return resResult(STATUS.GVG_TECH_HAS_PROGRESS);
+        let techIds: number[] = [], preTechId = techId;
+        // 如果有后置节点，那么后置节点也需要解锁
+        for(let { id, progress } of (leaguePrepare?.techQueue||[]) ) {
+            if(id == techId) {
+                if(progress > 0) {
+                    res.releaseCallback();
+                    return resResult(STATUS.GVG_TECH_HAS_PROGRESS);        
+                }
+                techIds.push(id)
+            } else {
+                let dicCurTech = gameData.gvgTech.get(id);
+                if(dicCurTech.prepositionId.find(arr => arr.indexOf(preTechId) != -1)) {
+                    if(progress > 0) {
+                        res.releaseCallback();
+                        return resResult(STATUS.GVG_TECH_HAS_PROGRESS);        
+                    }
+                    techIds.push(id);
+                    preTechId = id;
+                }
+            }
         }
 
-        leaguePrepare = await GVGLeaguePrepareModel.rollbackTech(configId, myLeague.leagueCode, techId);
+        leaguePrepare = await GVGLeaguePrepareModel.rollbackTech(configId, myLeague.leagueCode, techIds);
         if(!leaguePrepare) {
             res.releaseCallback();
             return resResult(STATUS.GVG_TECH_QUEUECNT_MAX);
@@ -440,7 +456,7 @@ export class GVGHandler {
         res.releaseCallback();
 
         // 推送千机阁解锁消息
-        await pushTechRollback(myLeague.guildCodes, techId);
+        await pushTechRollback(myLeague.guildCodes, techIds);
 
         return resResult(STATUS.SUCCESS, {
             queue: leaguePrepare?.techQueue||[]
diff --git a/game-server/app/services/gvg/gvgPrepareService.ts b/game-server/app/services/gvg/gvgPrepareService.ts
index 2d333b69f..0eb7976cb 100644
--- a/game-server/app/services/gvg/gvgPrepareService.ts
+++ b/game-server/app/services/gvg/gvgPrepareService.ts
@@ -484,10 +484,10 @@ export async function pushTechChange(guildCodes: string[], isActive: boolean, id
     }
 }
 
-export async function pushTechRollback(guildCodes: string[], id: number) {
+export async function pushTechRollback(guildCodes: string[], ids: number[]) {
     for(let guildCode of guildCodes) {
         await sendMessageToGuildWithSuc(guildCode, PUSH_ROUTE.LEAGUE_TECH_ROLLBACK, {
-            id
+            ids
         });
     }
 }
diff --git a/shared/db/GVGLeaguePrepare.ts b/shared/db/GVGLeaguePrepare.ts
index d04211285..c5b4d57ac 100644
--- a/shared/db/GVGLeaguePrepare.ts
+++ b/shared/db/GVGLeaguePrepare.ts
@@ -124,8 +124,8 @@ export default class GVGLeaguePrepare extends BaseModel {
         return result;
     }
 
-    public static async rollbackTech(configId: number, leagueCode: string, techId: number) {
-        const result: GVGLeaguePrepareType = await GVGLeaguePrepareModel.findOneAndUpdate({ configId, leagueCode }, { $pull: { techQueue: { id: techId } }, $inc: { techQueueCnt: -1 } }, { new: true }).lean();
+    public static async rollbackTech(configId: number, leagueCode: string, techIds: number[]) {
+        const result: GVGLeaguePrepareType = await GVGLeaguePrepareModel.findOneAndUpdate({ configId, leagueCode }, { $pull: { techQueue: { id: { $in: techIds } } }, $inc: { techQueueCnt: -techIds.length } }, { new: true }).lean();
         return result;
     }