diff --git a/package-lock.json b/package-lock.json
index 9d2cca4..7b9b276 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@litert/redis",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@litert/redis",
-      "version": "3.0.1",
+      "version": "3.0.2",
       "license": "Apache-2.0",
       "devDependencies": {
         "@commitlint/cli": "^18.2.0",
diff --git a/package.json b/package.json
index 520feb4..8d80fb9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@litert/redis",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "description": "A redis protocol implement for Node.js.",
   "main": "./lib/index.js",
   "scripts": {
diff --git a/src/examples/multi.ts b/src/examples/multi.ts
index d6ec84f..950a389 100644
--- a/src/examples/multi.ts
+++ b/src/examples/multi.ts
@@ -16,8 +16,34 @@
 /* eslint-disable no-console */
 import * as Redis from '../lib';
 
+export async function testZ(): Promise<void> {
+
+    const cli = Redis.createCommandClient({});
+
+    await cli.connect();
+
+    console.log(await cli.zAdd('testZSet', 100, 'z100'));
+    console.log(await cli.zAdd('testZSet', 99, 'z99'));
+    console.log(await cli.zAdd('testZSet', 97, 'z97'));
+    console.log(await cli.zAdd('testZSet', 98, 'z98'));
+    console.log(await cli.zAdd('testZSet', 95, 'z95'));
+    console.log(await cli.zAdd('testZSet', 39, 'z39'));
+
+    console.log(await cli.zRangeWithScores('testZSet', 0, 3));
+
+    console.log(await cli.zRem('testZSet', ['z39', 'z97']));
+
+    console.log(await cli.zRangeWithScores('testZSet', 0, 3));
+
+    await cli.close();
+}
+
 (async () => {
 
+    await testZ();
+
+    return;
+
     const cli = Redis.createCommandClient({});
 
     await cli.connect();
diff --git a/src/lib/Commands.ts b/src/lib/Commands.ts
index be96912..94bc523 100644
--- a/src/lib/Commands.ts
+++ b/src/lib/Commands.ts
@@ -1627,7 +1627,7 @@ export const COMMANDS: Record<keyof C.ICommandAPIs, ICommand> = {
      * @see https://redis.io/commands/sRem
      */
     'sRem': {
-        prepare: createDefaultPreparer('SREM')
+        prepare: (key: string, members: Array<string | Buffer>) => ({ args: [key, ...members], cmd: 'SREM' })
     },
 
     /**
@@ -2085,6 +2085,79 @@ export const COMMANDS: Record<keyof C.ICommandAPIs, ICommand> = {
         }
     },
 
+    /**
+     * Command: zRem
+     * @see https://redis.io/commands/zRem
+     */
+    'zRem': {
+        prepare: (key: string, members: Array<string | Buffer>) => ({ args: [key, ...members], cmd: 'ZREM' })
+    },
+
+    /**
+     * Command: zAdd
+     * @see https://redis.io/commands/zAdd
+     */
+    'zAdd': {
+        prepare: createDefaultPreparer('ZADD'),
+        process: isIntegerOne
+    },
+
+    /**
+     * Command: zRange
+     * @see https://redis.io/commands/zRange
+     */
+    'zRangeWithScores': {
+        prepare: (key: string, start: number, stop: number) => {
+
+            return {
+                'cmd': 'ZRANGE',
+                'args': [key, start, stop, 'WITHSCORES']
+            };
+        },
+        process: (items: Array<[number, Buffer]>): Array<{ member: string; score: number; }> => {
+
+            const ret: Array<{ member: string; score: number; }> = [];
+
+            for (let i = 0 ; i < items.length; i = i + 2) {
+
+                ret.push({
+                    'member': items[i][1].toString(),
+                    'score': parseFloat(items[i + 1][1].toString())
+                });
+            }
+
+            return ret;
+        }
+    },
+
+    /**
+     * Command: zRange
+     * @see https://redis.io/commands/zRange
+     */
+    'zRangeWithScores$': {
+        prepare: (key: string, start: number, stop: number) => {
+
+            return {
+                'cmd': 'ZRANGE',
+                'args': [key, start, stop, 'WITHSCORES']
+            };
+        },
+        process: (items: Array<[number, Buffer]>): Array<{ member: Buffer; score: number; }> => {
+
+            const ret: Array<{ member: Buffer; score: number; }> = [];
+
+            for (let i = 0 ; i < items.length; i = i + 2) {
+
+                ret.push({
+                    'member': items[i][1],
+                    'score': parseFloat(items[i + 1][1].toString())
+                });
+            }
+
+            return ret;
+        }
+    },
+
     /**
      * Command: pfAdd
      * @see https://redis.io/commands/pfAdd
diff --git a/src/lib/Common.ts b/src/lib/Common.ts
index 9e7b8b3..03b82a5 100644
--- a/src/lib/Common.ts
+++ b/src/lib/Common.ts
@@ -1221,6 +1221,30 @@ export interface ICommandAPIs {
      */
     rPushX(key: string, values: Array<string | Buffer>): Promise<number>;
 
+    /**
+     * Command: zAdd
+     * @see https://redis.io/commands/zAdd
+     */
+    zAdd(key: string, score: number, member: string | Buffer): Promise<boolean>;
+
+    /**
+     * Command: zRem
+     * @see https://redis.io/commands/zRem
+     */
+    zRem(key: string, members: Array<string | Buffer>): Promise<number>;
+
+    /**
+     * Command: zRange
+     * @see https://redis.io/commands/zRange
+     */
+    zRangeWithScores(key: string, start: number, stop: number): Promise<Array<{ member: string; score: number; }>>;
+
+    /**
+     * Command: zRange
+     * @see https://redis.io/commands/zRange
+     */
+    zRangeWithScores$(key: string, start: number, stop: number): Promise<Array<{ member: Buffer; score: number; }>>;
+
     /**
      * Command: pfAdd
      * @see https://redis.io/commands/pfAdd