diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..67f1578
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,213 @@
+# 语言: None, Cpp, Java, JavaScript, ObjC, Proto, TableGen, TextProto
+Language: Cpp
+# BasedOnStyle:	LLVM
+
+# 访问说明符(public、private等)的偏移
+AccessModifierOffset: -4
+
+# 开括号(开圆括号、开尖括号、开方括号)后的对齐: Align, DontAlign, AlwaysBreak(总是在开括号后换行)
+AlignAfterOpenBracket: Align
+
+# 连续赋值时，对齐所有等号
+AlignConsecutiveAssignments: false
+
+# 连续声明时，对齐所有声明的变量名
+AlignConsecutiveDeclarations: false
+
+# 右对齐逃脱换行(使用反斜杠换行)的反斜杠
+AlignEscapedNewlines: Right
+
+# 水平对齐二元和三元表达式的操作数
+AlignOperands: true
+
+# 对齐连续的尾随的注释
+AlignTrailingComments: true
+
+# 不允许函数声明的所有参数在放在下一行
+AllowAllParametersOfDeclarationOnNextLine: false
+
+# 不允许短的块放在同一行
+AllowShortBlocksOnASingleLine: true
+
+# 允许短的case标签放在同一行
+AllowShortCaseLabelsOnASingleLine: true
+
+# 允许短的函数放在同一行: None, InlineOnly(定义在类中), Empty(空函数), Inline(定义在类中，空函数), All
+AllowShortFunctionsOnASingleLine: None
+
+# 允许短的if语句保持在同一行
+AllowShortIfStatementsOnASingleLine: true
+
+# 允许短的循环保持在同一行
+AllowShortLoopsOnASingleLine: true
+
+# 总是在返回类型后换行: None, All, TopLevel(顶级函数，不包括在类中的函数), 
+# AllDefinitions(所有的定义，不包括声明), TopLevelDefinitions(所有的顶级函数的定义)
+AlwaysBreakAfterReturnType: None
+
+# 总是在多行string字面量前换行
+AlwaysBreakBeforeMultilineStrings: false
+
+# 总是在template声明后换行
+AlwaysBreakTemplateDeclarations: true
+
+# false表示函数实参要么都在同一行，要么都各自一行
+BinPackArguments: true
+
+# false表示所有形参要么都在同一行，要么都各自一行
+BinPackParameters: true
+
+# 大括号换行，只有当BreakBeforeBraces设置为Custom时才有效
+BraceWrapping:
+  # class定义后面
+  AfterClass: false
+  # 控制语句后面
+  AfterControlStatement: false
+  # enum定义后面
+  AfterEnum: false
+  # 函数定义后面
+  AfterFunction: false
+  # 命名空间定义后面
+  AfterNamespace: false
+  # struct定义后面
+  AfterStruct: false
+  # union定义后面
+  AfterUnion: false
+  # extern之后
+  AfterExternBlock: false
+  # catch之前
+  BeforeCatch: false
+  # else之前
+  BeforeElse: false
+  # 缩进大括号
+  IndentBraces: false
+  # 分离空函数
+  SplitEmptyFunction: false
+  # 分离空语句
+  SplitEmptyRecord: false
+  # 分离空命名空间
+  SplitEmptyNamespace: false
+
+# 在二元运算符前换行: None(在操作符后换行), NonAssignment(在非赋值的操作符前换行), All(在操作符前换行)
+BreakBeforeBinaryOperators: NonAssignment
+
+# 在大括号前换行: Attach(始终将大括号附加到周围的上下文), Linux(除函数、命名空间和类定义，与Attach类似), 
+#   Mozilla(除枚举、函数、记录定义，与Attach类似), Stroustrup(除函数定义、catch、else，与Attach类似), 
+#   Allman(总是在大括号前换行), GNU(总是在大括号前换行，并对于控制语句的大括号增加额外的缩进), WebKit(在函数前换行), Custom
+#   注：这里认为语句块也属于函数
+BreakBeforeBraces: Custom
+
+# 在三元运算符前换行
+BreakBeforeTernaryOperators: false
+
+# 在构造函数的初始化列表的冒号后换行
+BreakConstructorInitializers: AfterColon
+
+#BreakInheritanceList: AfterColon
+
+BreakStringLiterals: false
+
+# 每行字符的限制，0表示没有限制
+ColumnLimit: 0
+
+CompactNamespaces: true
+
+# 构造函数的初始化列表要么都在同一行，要么都各自一行
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+
+# 构造函数的初始化列表的缩进宽度
+ConstructorInitializerIndentWidth: 4
+
+# 延续的行的缩进宽度
+ContinuationIndentWidth: 4
+
+# 去除C++11的列表初始化的大括号{后和}前的空格
+Cpp11BracedListStyle: true
+
+# 继承最常用的指针和引用的对齐方式
+DerivePointerAlignment: false
+
+# 固定命名空间注释
+FixNamespaceComments: true
+
+# 缩进case标签
+IndentCaseLabels: false
+
+IndentPPDirectives: None
+
+# 缩进宽度
+IndentWidth: 4
+
+# 函数返回类型换行时，缩进函数声明或函数定义的函数名
+IndentWrappedFunctionNames: false
+
+# 保留在块开始处的空行
+KeepEmptyLinesAtTheStartOfBlocks: false
+
+# 连续空行的最大数量
+MaxEmptyLinesToKeep: 1
+
+# 命名空间的缩进: None, Inner(缩进嵌套的命名空间中的内容), All
+NamespaceIndentation: None
+
+# 指针和引用的对齐: Left, Right, Middle
+PointerAlignment: Right
+
+# 允许重新排版注释
+ReflowComments: true
+
+# 允许排序#include
+SortIncludes: false
+
+# 允许排序 using 声明
+SortUsingDeclarations: false
+
+# 在C风格类型转换后添加空格
+SpaceAfterCStyleCast: false
+
+# 在Template 关键字后面添加空格
+SpaceAfterTemplateKeyword: true
+
+# 在赋值运算符之前添加空格
+SpaceBeforeAssignmentOperators: true
+
+# SpaceBeforeCpp11BracedList: true
+
+# SpaceBeforeCtorInitializerColon: true
+
+# SpaceBeforeInheritanceColon: true
+
+# 开圆括号之前添加一个空格: Never, ControlStatements, Always
+SpaceBeforeParens: ControlStatements
+
+# SpaceBeforeRangeBasedForLoopColon: true
+
+# 在空的圆括号中添加空格
+SpaceInEmptyParentheses: false
+
+# 在尾随的评论前添加的空格数(只适用于//)
+SpacesBeforeTrailingComments: 1
+
+# 在尖括号的<后和>前添加空格
+SpacesInAngles: false
+
+# 在C风格类型转换的括号中添加空格
+SpacesInCStyleCastParentheses: false
+
+# 在容器(ObjC和JavaScript的数组和字典等)字面量中添加空格
+SpacesInContainerLiterals: true
+
+# 在圆括号的(后和)前添加空格
+SpacesInParentheses: false
+
+# 在方括号的[后和]前添加空格，lamda表达式和未指明大小的数组的声明不受影响
+SpacesInSquareBrackets: false
+
+# 标准: Cpp03, Cpp11, Auto
+Standard: Cpp11
+
+# tab宽度
+TabWidth: 4
+
+# 使用tab字符: Never, ForIndentation, ForContinuationAndIndentation, Always
+UseTab: Never
diff --git a/src/redis-acl.c b/src/redis-acl.c
index a91aa80..82f6594 100644
--- a/src/redis-acl.c
+++ b/src/redis-acl.c
@@ -1,198 +1,186 @@
 #include <pthread.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "redis-acl.h"
 #include "redismodule.h"
 
-static RedisModuleCommandFilter *filter;
 static int times = 1;
 static int MAX_TIME = 1000;
+static RedisModuleDict *userDict = NULL;
 
-void AuthFilter_CommandFilter(RedisModuleCommandFilter *filter) {
-  int pos = 0;
-  RedisModule_Log(NULL, LOG_LEVEL_NOTICE, "command filter");
-  while (pos < RedisModule_CommandFilterArgsCount(filter)) {
-    const RedisModuleString *arg = RedisModule_CommandFilterArgGet(filter, pos);
-    size_t arg_len;
-    const char *arg_str = RedisModule_StringPtrLen(arg, &arg_len);
-    // RedisModule_Log(NULL, LOG_LEVEL_NOTICE, "str=%s,len=%ld", arg_str, arg_len);
-    // if (strcmp(arg_str, "auth") == 0) {
-    //  RedisModule_Log(NULL, LOG_LEVEL_NOTICE, "command is auth");
-    //  RedisModule_CommandFilterArgReplace(filter, pos,
-    //  RedisModule_CreateString(NULL, "acl.auth", 9));
-    //}
-    // 解密
-    pos++;
-  }
-  RedisModule_Log(NULL, LOG_LEVEL_NOTICE, "filter finished");
+RedisModuleUser *createUser(RedisModuleCtx *ctx, const char *name) {
+    REDISMODULE_NOT_USED(ctx);
+    RedisModuleUser *user = RedisModule_CreateModuleUser(name);
+    RedisModule_SetModuleUserACL(user, "allcommands");
+    RedisModule_SetModuleUserACL(user, "allkeys");
+    RedisModule_SetModuleUserACL(user, "on");
+    return user;
 }
 
-int AuthCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv,
-                             int argc) {
-  REDISMODULE_NOT_USED(ctx);
-  REDISMODULE_NOT_USED(argc);
-  REDISMODULE_NOT_USED(argv);
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "acl.auth begin");
-  RedisModule_ReplyWithCString(ctx, "ok");
-  return REDISMODULE_OK;
+int authReply(RedisModuleCtx *ctx, RedisModuleString *username,
+              RedisModuleString *password, RedisModuleString **err) {
+    REDISMODULE_NOT_USED(password);
+    void **targ = RedisModule_GetBlockedClientPrivateData(ctx);
+    int result = (uintptr_t)targ[0];
+    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "auth reply");
+    size_t userlen = 0;
+    const char *user = RedisModule_StringPtrLen(username, &userlen);
+    if (result == 1) {
+        // auth success
+        RedisModuleUser *moduleUser = createUser(ctx, user);
+        uint64_t client_id;
+        int authResult = RedisModule_AuthenticateClientWithUser(
+            ctx, moduleUser, NULL, NULL, &client_id);
+        RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "auth success user=%s, %lu", user,
+                        client_id);
+        if (authResult == REDISMODULE_ERR) {
+            RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "user not exits user=%s", user);
+        }
+        return REDISMODULE_AUTH_HANDLED;
+    } else if (result == 0) {
+        // auth failed
+        const char *err_msg = "Auth denied by Misc Module.";
+        *err = RedisModule_CreateString(ctx, err_msg, strlen(err_msg));
+        return REDISMODULE_AUTH_HANDLED;
+    }
+    /** skip auth*/
+    return REDISMODULE_AUTH_HANDLED;
 }
 
-RedisModuleUser* createUser(RedisModuleCtx *ctx, const char *name) {
-  RedisModuleUser *user = RedisModule_CreateModuleUser(name);
-  RedisModule_SetModuleUserACL(user, "allcommands");
-  RedisModule_SetModuleUserACL(user, "allkeys");
-  RedisModule_SetModuleUserACL(user, "on");
-  return user;
+void freeAuthData(RedisModuleCtx *ctx, void *privdata) {
+    REDISMODULE_NOT_USED(ctx);
+    RedisModule_Free(privdata);
 }
 
-int module_auth_reply(RedisModuleCtx *ctx, RedisModuleString *username,
-                      RedisModuleString *password, RedisModuleString **err) {
-  void **targ = RedisModule_GetBlockedClientPrivateData(ctx);
-  int result = (uintptr_t)targ[0];
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "auth reply");
-  size_t userlen = 0;
-  const char *user = RedisModule_StringPtrLen(username, &userlen);
-  if (result == 1) {
-    // auth success
-    RedisModuleUser *moduleUser = createUser(ctx, user);
-    uint64_t client_id;
-    int auth_result = RedisModule_AuthenticateClientWithUser(ctx, moduleUser, NULL, NULL, &client_id);
-    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "auth success user=%s, %lu", user, client_id);
-    if (auth_result == REDISMODULE_ERR) {
-      RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "user not exits user=%s", user);
+void *AuthBlockThreadMain(void *arg) {
+    void **targ = arg;
+    RedisModuleBlockedClient *bc = targ[0];
+    RedisModuleCtx *ctx = targ[1];
+    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "begin auth ");
+    const char *user = RedisModule_StringPtrLen(targ[2], NULL);
+    const char *pwd = RedisModule_StringPtrLen(targ[3], NULL);
+    void **replyarg = RedisModule_Alloc(sizeof(void *));
+    int result = 2;
+    struct redisAcl *acl = (struct redisAcl *)RedisModule_DictGetC(userDict, user, strlen(user), NULL);
+    if (!acl) {
+        RedisModule_Log(ctx, LOG_LEVEL_WARNING, "auth failed");
+        result = 0;
+        goto returnResult;
+    }
+    const char *passwdInModule = RedisModule_StringPtrLen(acl->password, NULL);
+    if (!strcmp(pwd, passwdInModule)) {
+        result = 1;
+    } else {
+        result = 0;
+    }
+returnResult:
+    replyarg[0] = (void *)(uintptr_t)result;
+    RedisModule_BlockedClientMeasureTimeEnd(bc);
+    RedisModule_UnblockClient(bc, replyarg);
+    RedisModule_FreeString(NULL, targ[2]);
+    RedisModule_FreeString(NULL, targ[3]);
+    RedisModule_Free(targ);
+    return NULL;
+}
+
+int moduleBlockAuth(RedisModuleCtx *ctx, RedisModuleString *username,
+                    RedisModuleString *password, RedisModuleString **err) {
+    REDISMODULE_NOT_USED(password);
+    REDISMODULE_NOT_USED(err);
+    RedisModuleBlockedClient *bc =
+        RedisModule_BlockClientOnAuth(ctx, authReply, freeAuthData);
+    int ctx_flags = RedisModule_GetContextFlags(ctx);
+    if (ctx_flags & REDISMODULE_CTX_FLAGS_MULTI || ctx_flags & REDISMODULE_CTX_FLAGS_LUA) {
+        RedisModule_UnblockClient(bc, NULL);
+        return REDISMODULE_AUTH_HANDLED;
+    }
+    RedisModule_BlockedClientMeasureTimeStart(bc);
+    pthread_t tid;
+    void **targ = RedisModule_Alloc(sizeof(void *) * 4);
+    targ[0] = bc;
+    targ[1] = ctx;
+    targ[2] = RedisModule_CreateStringFromString(NULL, username);
+    targ[3] = RedisModule_CreateStringFromString(NULL, password);
+    if (pthread_create(&tid, NULL, AuthBlockThreadMain, targ) != 0) {
+        RedisModule_AbortBlock(bc);
     }
     return REDISMODULE_AUTH_HANDLED;
-  } else if (result == 0) {
-    // auth failed
-    const char *err_msg = "Auth denied by Misc Module.";
-    *err = RedisModule_CreateString(ctx, err_msg, strlen(err_msg));
-    return REDISMODULE_AUTH_HANDLED;
-  }
-  /** skip auth*/
-  return REDISMODULE_AUTH_HANDLED;
 }
 
-void free_auth_data(RedisModuleCtx *ctx, void *privdata) {
-  REDISMODULE_NOT_USED(ctx);
-  RedisModule_Free(privdata);
-}
+int moduleAuth(RedisModuleCtx *ctx, RedisModuleString *username,
+               RedisModuleString *password, RedisModuleString **err) {
+    const char *user = RedisModule_StringPtrLen(username, NULL);
+    const char *pwd = RedisModule_StringPtrLen(password, NULL);
+    struct redisAcl *acl = (struct redisAcl *)RedisModule_DictGetC(userDict, user, strlen(user), NULL);
+    if (!acl) {
+        const char *err_msg = "Auth denied by Misc Module.";
+        *err = RedisModule_CreateString(ctx, err_msg, strlen(err_msg));
+        return REDISMODULE_AUTH_HANDLED;
+    }
+    const char *userInModule = RedisModule_StringPtrLen(acl->username, NULL);
+    const char *userInPass = RedisModule_StringPtrLen(acl->password, NULL);
 
-void *AuthBlock_ThreadMain(void *arg) {
-  void **targ = arg;
-  RedisModuleBlockedClient *bc = targ[0];
-  RedisModuleCtx *ctx = targ[1];
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "begin auth ");
-  const char *user = RedisModule_StringPtrLen(targ[2], NULL);
-  const char *pwd = RedisModule_StringPtrLen(targ[3], NULL);
-  int result = 2;
-  if (!strcmp(user, "foo") && !strcmp(pwd, "block_allow")) {
-    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "auth success");
-    result = 1;
-  } else if (!strcmp(user, "foo") && !strcmp(pwd, "block_deny")) {
-    result = 0;
-  } else if (!strcmp(user, "foo") && !strcmp(pwd, "block_abort")) {
-    RedisModule_BlockedClientMeasureTimeEnd(bc);
-    RedisModule_AbortBlock(bc);
-    goto cleanup;
-  } else {
-    result = 0;
-  }
-  void **replyarg = RedisModule_Alloc(sizeof(void *));
-  replyarg[0] = (void *)(uintptr_t)result;
-  RedisModule_BlockedClientMeasureTimeEnd(bc);
-  RedisModule_UnblockClient(bc, replyarg);
-cleanup:
-  RedisModule_FreeString(NULL, targ[2]);
-  RedisModule_FreeString(NULL, targ[3]);
-  RedisModule_Free(targ);
-  return NULL;
-}
-
-int module_auth(RedisModuleCtx *ctx, RedisModuleString *username,
-                RedisModuleString *password, RedisModuleString **err) {
-  RedisModuleBlockedClient *bc =
-      RedisModule_BlockClientOnAuth(ctx, module_auth_reply, free_auth_data);
-  int ctx_flags = RedisModule_GetContextFlags(ctx);
-  if (ctx_flags & REDISMODULE_CTX_FLAGS_MULTI ||
-      ctx_flags & REDISMODULE_CTX_FLAGS_LUA) {
-    RedisModule_UnblockClient(bc, NULL);
-    return REDISMODULE_AUTH_HANDLED;
-  }
-  RedisModule_BlockedClientMeasureTimeStart(bc);
-  pthread_t tid;
-  void **targ = RedisModule_Alloc(sizeof(void *) * 4);
-  targ[0] = bc;
-  targ[1] = ctx;
-  targ[2] = RedisModule_CreateStringFromString(NULL, username);
-  targ[3] = RedisModule_CreateStringFromString(NULL, password);
-  /* Create bg thread and pass the blockedclient, username and password to it.
-   */
-  if (pthread_create(&tid, NULL, AuthBlock_ThreadMain, targ) != 0) {
-    RedisModule_AbortBlock(bc);
-  }
-  return REDISMODULE_AUTH_HANDLED;
-}
-
-int auth_cb(RedisModuleCtx *ctx, RedisModuleString *username,
-            RedisModuleString *password, RedisModuleString **err) {
-  const char *user = RedisModule_StringPtrLen(username, NULL);
-  const char *pwd = RedisModule_StringPtrLen(password, NULL);
-  if (!strcmp(user, "foo") && !strcmp(pwd, "allow")) {
-    RedisModuleUser *user = createUser(ctx, "foo");
-    RedisModule_AuthenticateClientWithACLUser(ctx, "foo", 3, NULL, NULL, NULL);
-    return REDISMODULE_AUTH_HANDLED;
-  } else if (!strcmp(user, "foo") && !strcmp(pwd, "deny")) {
-    const char *err_msg = "Auth denied by Misc Module.";
-    *err = RedisModule_CreateString(ctx, err_msg, strlen(err_msg));
-    return REDISMODULE_AUTH_HANDLED;
-  }
-  return REDISMODULE_AUTH_NOT_HANDLED;
+    if (!strcmp(pwd, userInPass)) {
+        RedisModuleUser *moduleUser = createUser(ctx, userInModule);
+        uint64_t client_id;
+        RedisModule_AuthenticateClientWithUser(ctx, moduleUser, NULL, NULL, &client_id);
+        return REDISMODULE_AUTH_HANDLED;
+    } else {
+        const char *err_msg = "Auth denied by Misc Module.";
+        *err = RedisModule_CreateString(ctx, err_msg, strlen(err_msg));
+        return REDISMODULE_AUTH_HANDLED;
+    }
+    return REDISMODULE_AUTH_NOT_HANDLED;
 }
 
 void cronLoopCallBack(RedisModuleCtx *ctx, RedisModuleEvent *e, uint64_t sub,
                       void *data) {
-  REDISMODULE_NOT_USED(e);
-  RedisModuleCronLoop *ei = data;
-  REDISMODULE_NOT_USED(ei);
-  REDISMODULE_NOT_USED(sub);
-  if (time < MAX_TIME) {
-    times++;
-    return;
-  }
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "cron event");
-  times = 0;
+    REDISMODULE_NOT_USED(e);
+    RedisModuleCronLoop *ei = data;
+    REDISMODULE_NOT_USED(ei);
+    REDISMODULE_NOT_USED(sub);
+    if (time < MAX_TIME) {
+        times++;
+        return;
+    }
+    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "cron event");
+    times = 0;
+}
+
+int initUsers(RedisModuleCtx *ctx, const char *user, const char *passwd) {
+    REDISMODULE_NOT_USED(ctx);
+    if (userDict == NULL) {
+        userDict = RedisModule_CreateDict(ctx);
+    }
+    struct redisAcl *acl;
+    acl = RedisModule_Alloc(sizeof(*acl));
+    memset(acl, 0, sizeof(*acl));
+    acl->username = RedisModule_CreateString(ctx, user, strlen(user));
+    acl->password = RedisModule_CreateString(ctx, passwd, strlen(passwd));
+    int result = RedisModule_DictSetC(userDict, user, strlen(user), acl);
+    if (result == REDISMODULE_OK) {
+        char *userModule = RedisModule_StringPtrLen(acl->username, NULL);
+        char *passwdModule = RedisModule_StringPtrLen(acl->password, NULL);
+        RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "user add success, username=%s, password=%s", userModule, passwdModule);
+    }
+    return REDISMODULE_OK;
 }
 
 int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv,
                        int argc) {
-  REDISMODULE_NOT_USED(argv);
-  REDISMODULE_NOT_USED(argc);
-  if (RedisModule_Init(ctx, "redis-auth", 1, REDISMODULE_APIVER_1) ==
-      REDISMODULE_ERR) {
-    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "init redis-auth failed");
-    return REDISMODULE_ERR;
-  }
+    REDISMODULE_NOT_USED(argv);
+    REDISMODULE_NOT_USED(argc);
+    if (RedisModule_Init(ctx, "redis-auth", 1, REDISMODULE_APIVER_1) == REDISMODULE_ERR) {
+        RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "init redis-auth failed");
+        return REDISMODULE_ERR;
+    }
 
-  filter = RedisModule_RegisterCommandFilter(ctx, AuthFilter_CommandFilter, 0);
-  if (filter == NULL) {
-    RedisModule_Log(ctx, LOG_LEVEL_WARNING, "init filter failed");
-    return REDISMODULE_ERR;
-  }
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "init filter success");
+    RedisModule_RegisterAuthCallback(ctx, moduleBlockAuth);
+    RedisModule_RegisterAuthCallback(ctx, moduleAuth);
 
-  if (RedisModule_CreateCommand(ctx, "acl.auth", AuthCommand_RedisCommand,
-                                "no-auth", 0, 0, 0) == REDISMODULE_ERR) {
-    RedisModule_Log(ctx, LOG_LEVEL_WARNING, "init acl.auth failed");
-    return REDISMODULE_ERR;
-  }
+    initUsers(ctx, "foo", "block_allow");
 
-  RedisModule_RegisterAuthCallback(ctx, module_auth);
-  RedisModule_RegisterAuthCallback(ctx, auth_cb);
-
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "init command success");
-  // RedisModule_SubscribeToServerEvent(ctx, RedisModuleEvent_CronLoop,
-  // cronLoopCallBack);
-
-  RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "init redis-auth success!");
-  return REDISMODULE_OK;
+    RedisModule_Log(ctx, LOG_LEVEL_NOTICE, "init redis-auth success!");
+    return REDISMODULE_OK;
 }
diff --git a/src/redis-acl.h b/src/redis-acl.h
index 6138b12..de82a11 100644
--- a/src/redis-acl.h
+++ b/src/redis-acl.h
@@ -10,12 +10,25 @@
 
 #define UNUSED(V) ((void) V) 
 
-/* *
- * Redis Auth command
- * */
-int AuthCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc);
+struct redisAcl {
+    RedisModuleString *username;
+    RedisModuleString *password;
+} redisAcl;
 
-void AuthFilter_CommandFilter(RedisModuleCommandFilter *filter);
+
+RedisModuleUser *createUser(RedisModuleCtx *ctx, const char *name);
+
+int authReply(RedisModuleCtx *ctx, RedisModuleString *username, RedisModuleString *password, RedisModuleString **err);
+
+void freeAuthData(RedisModuleCtx *ctx, void *privdata);
+
+void *AuthBlockThreadMain(void *arg);
+
+int moduleBlockAuth(RedisModuleCtx *ctx, RedisModuleString *username, RedisModuleString *password, RedisModuleString **err);
+
+int moduleAuth(RedisModuleCtx *ctx, RedisModuleString *username, RedisModuleString *password, RedisModuleString **err);
+
+void cronLoopCallBack(RedisModuleCtx *ctx, RedisModuleEvent *e, uint64_t sub,  void *data);
 
 #endif // REDISAUTH_H