diff --git a/cli.sh b/cli.sh
old mode 100644
new mode 100755
diff --git a/packages/cc-server-db-mongo/src/client/index.ts b/packages/cc-server-db-mongo/src/client/index.ts
index e1887c6..eb009e3 100644
--- a/packages/cc-server-db-mongo/src/client/index.ts
+++ b/packages/cc-server-db-mongo/src/client/index.ts
@@ -7,7 +7,7 @@ import { DBClient } from 'cc-server-db'
 export class MongoDBClient<T = any> implements DBClient {
     private table: string;
     private db: Db;
-    private collection: Collection;
+    private collection: Collection<T>;
 
     constructor() {
         MongoDBConnection.getConnection((connection) => {
@@ -18,8 +18,8 @@ export class MongoDBClient<T = any> implements DBClient {
         });
     }
 
-    public getProvide(): Db {
-        return this.db;
+    public getProvide<P>(): P {
+        return this.db as {} as P;
     }
 
     public setTable(table: string): void {
diff --git a/packages/cc-server-db/src/index.ts b/packages/cc-server-db/src/index.ts
index f174891..5eca6ec 100644
--- a/packages/cc-server-db/src/index.ts
+++ b/packages/cc-server-db/src/index.ts
@@ -1,6 +1,6 @@
 export const DBClient = Symbol.for('DBClient')
 export interface DBClient<T = any> {
-    getProvide(): any;
+    getProvide<P>(): P;
     setTable(table: string): void;
     find(filter: object): Promise<T[]>;
     findOne(filter: Object): Promise<T>;