diff --git a/packages/core/src/services/instance/instance.service.ts b/packages/core/src/services/instance/instance.service.ts
index 5259b207895c..78ca2dacd55c 100644
--- a/packages/core/src/services/instance/instance.service.ts
+++ b/packages/core/src/services/instance/instance.service.ts
@@ -27,6 +27,7 @@ import { Workbook } from '../../sheets/workbook';
 import { SlideDataModel } from '../../slides/slide-model';
 import { FOCUSING_DOC, FOCUSING_SHEET, FOCUSING_SLIDE, FOCUSING_UNIT } from '../context/context';
 import { IContextService } from '../context/context.service';
+import { ILogService } from '../log/log.service';
 
 // eslint-disable-next-line ts/no-explicit-any
 export type UnitCtor = new (...args: any[]) => UnitModel;
@@ -107,7 +108,8 @@ export class UniverInstanceService extends Disposable implements IUniverInstance
 
     constructor(
         @Inject(Injector) private readonly _injector: Injector,
-        @IContextService private readonly _contextService: IContextService
+        @IContextService private readonly _contextService: IContextService,
+        @Inject(ILogService) private readonly _logService: ILogService
     ) {
         super();
     }
@@ -118,6 +120,8 @@ export class UniverInstanceService extends Disposable implements IUniverInstance
         this._focused$.complete();
         this._currentUnits$.complete();
         this._unitAdded$.complete();
+
+        this._currentUnits.forEach((unit) => unit?.dispose());
         this._currentUnits.clear();
         this._unitsByType.clear();
     }
@@ -186,6 +190,7 @@ export class UniverInstanceService extends Disposable implements IUniverInstance
      * @param unit The unit to be added.
      */
     __addUnit(unit: UnitModel, options?: ICreateUnitOptions): void {
+        this._logService.debug(`[UniverInstanceService]: Adding unit with id ${unit.getUnitId()}`);
         const type = unit.type;
 
         if (!this._unitsByType.has(type)) {
@@ -296,12 +301,17 @@ export class UniverInstanceService extends Disposable implements IUniverInstance
     }
 
     disposeUnit(unitId: string): boolean {
+        this._logService.debug(`[UniverInstanceService]: Disposing unit with id ${unitId}`);
         const result = this._getUnitById(unitId);
-        if (!result) return false;
+        if (!result) {
+            this._logService.debug(`[UniverInstanceService]: No unit found with id ${unitId}`);
+            return false;
+        }
 
         const [unit, type] = result;
         const units = this._unitsByType.get(type)!;
         const index = units.indexOf(unit);
+
         units.splice(index, 1);
 
         this._tryResetCurrentOnRemoval(unitId, type);
@@ -309,6 +319,8 @@ export class UniverInstanceService extends Disposable implements IUniverInstance
 
         this._unitDisposed$.next(unit);
 
+        unit.dispose();
+
         return true;
     }
 
diff --git a/packages/core/src/sheets/workbook.ts b/packages/core/src/sheets/workbook.ts
index 6861857be5be..1f88a3878d75 100644
--- a/packages/core/src/sheets/workbook.ts
+++ b/packages/core/src/sheets/workbook.ts
@@ -117,6 +117,10 @@ export class Workbook extends UnitModel<IWorkbookData, UniverInstanceType.UNIVER
         this._sheetDisposed$.complete();
         this._activeSheet$.complete();
         this._name$.complete();
+
+        Promise.resolve().then(() => {
+            this._worksheets.clear();
+        });
     }
 
     /**
diff --git a/packages/rpc/src/services/remote-instance/remote-instance.service.ts b/packages/rpc/src/services/remote-instance/remote-instance.service.ts
index dc72f1b88d2d..b91c8a99fa8a 100644
--- a/packages/rpc/src/services/remote-instance/remote-instance.service.ts
+++ b/packages/rpc/src/services/remote-instance/remote-instance.service.ts
@@ -85,6 +85,7 @@ export class WebWorkerRemoteInstanceService implements IRemoteInstanceService {
         type: UniverInstanceType;
         snapshot: IWorkbookData;
     }): Promise<boolean> {
+        this._logService.debug(`[WebWorkerRemoteInstanceService]: Creating instance with id ${params.unitID}`);
         const { type, snapshot } = params;
         try {
             switch (type) {
@@ -106,6 +107,7 @@ export class WebWorkerRemoteInstanceService implements IRemoteInstanceService {
     }
 
     async disposeInstance(params: { unitID: string }): Promise<boolean> {
+        this._logService.debug(`[WebWorkerRemoteInstanceService]: Disposing instance with id ${params.unitID}`);
         return this._univerInstanceService.disposeUnit(params.unitID);
     }
 
diff --git a/packages/rpc/src/services/rpc/rpc.service.ts b/packages/rpc/src/services/rpc/rpc.service.ts
index 81780a8498b1..3f9efe3a591a 100644
--- a/packages/rpc/src/services/rpc/rpc.service.ts
+++ b/packages/rpc/src/services/rpc/rpc.service.ts
@@ -316,7 +316,8 @@ export class ChannelClient extends RxDisposable implements IChannelClient {
     }
 
     private _onMessage(response: IRPCResponse): void {
-        switch (response.type) {
+        const { type: responseType, seq } = response;
+        switch (responseType) {
             case ResponseType.INITIALIZE:
                 this._initialized.next(true);
                 break;
@@ -324,9 +325,12 @@ export class ChannelClient extends RxDisposable implements IChannelClient {
             case ResponseType.CALL_FAILURE:
             case ResponseType.SUBSCRIBE_NEXT:
             case ResponseType.SUBSCRIBE_COMPLETE:
-            case ResponseType.SUBSCRIBE_ERROR:
-                this._pendingRequests.get(response.seq)?.handle(response);
+            case ResponseType.SUBSCRIBE_ERROR: {
+                const { _pendingRequests } = this;
+                _pendingRequests.get(seq)?.handle(response);
+                responseType !== ResponseType.SUBSCRIBE_NEXT && _pendingRequests.delete(seq);
                 break;
+            }
         }
     }
 }
diff --git a/packages/sheets-table/src/model/table-manager.ts b/packages/sheets-table/src/model/table-manager.ts
index 27a5f5f81644..e168a7f06041 100644
--- a/packages/sheets-table/src/model/table-manager.ts
+++ b/packages/sheets-table/src/model/table-manager.ts
@@ -460,11 +460,24 @@ export class TableManager extends Disposable {
     }
 
     deleteUnitId(unitId: string) {
+        const unitMap = this._tableMap.get(unitId);
+        if (unitMap) {
+            unitMap.forEach((table) => table.dispose());
+        }
         this._tableMap.delete(unitId);
     }
 
     override dispose() {
         super.dispose();
+
+        this._tableAdd$.complete();
+        this._tableDelete$.complete();
+        this._tableNameChanged$.complete();
+        this._tableRangeChanged$.complete();
+        this._tableThemeChanged$.complete();
+        this._tableFilterChanged$.complete();
+        this._tableInitStatus.complete();
+
         this._tableMap.forEach((unitMap) => {
             unitMap.forEach((table) => table.dispose());
             unitMap.clear();