diff --git a/docs/README.md b/docs/README.md
index f21ec364291..ee53ae076e5 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -13,7 +13,7 @@
  * SQL-like query language
 
 ## How can I get Nebula ##
-**Nebula Graph** source code is available here on [GitHub](https://github.com/vesoft-inc/nebula). The currently release is version 0.1.
+**Nebula Graph** source code is available here on [GitHub](https://github.com/vesoft-inc/nebula). The currently release is version R1910_alpha.
 You can also download [Docker ](https://www.docker.com/get-started)image to try it.
 More details on how to get Nebula image click [Get Started](get-started/).
 
diff --git a/docs/get-started.md b/docs/get-started.md
index cfba201fe33..bd1b8ef9280 100644
--- a/docs/get-started.md
+++ b/docs/get-started.md
@@ -350,8 +350,7 @@ nebula> INSERT VERTEX student(name, age, gender) VALUES 201:("Mike", 18, "male")
 nebula> INSERT VERTEX student(name, age, gender) VALUES 202:("Jane", 17, "female");
 nebula> INSERT VERTEX course(name, credits),building(name) VALUES 101:("Math", 3, "No5");
 nebula> INSERT VERTEX course(name, credits),building(name) VALUES 102:("English", 6, "No11");
-=======
-nebula> CREATE space myspace(partition_num=1, replica_factor=1)
+
 ```
 
 ```
diff --git a/src/console/CliManager.cpp b/src/console/CliManager.cpp
index 35ff79b86e4..58c70634398 100644
--- a/src/console/CliManager.cpp
+++ b/src/console/CliManager.cpp
@@ -16,6 +16,7 @@
 
 DECLARE_string(u);
 DECLARE_string(p);
+DEFINE_bool(enable_history, false, "Whether to force saving the command history");
 
 namespace nebula {
 namespace graph {
@@ -26,8 +27,22 @@ const int32_t kMaxPasswordLen = 24;
 const int32_t kMaxCommandLineLen = 1024;
 
 CliManager::CliManager() {
-    ::using_history();
-    initAutoCompletion();
+    if (!fs::FileUtils::isStdinTTY()) {
+        enableHistroy_ = false;
+        isInteractive_ = false;
+    }
+
+    if (FLAGS_enable_history) {
+        enableHistroy_ = true;
+    }
+
+    if (enableHistroy_) {
+        ::using_history();
+    }
+
+    if (isInteractive_) {
+        initAutoCompletion();
+    }
 }
 
 
@@ -146,16 +161,21 @@ void CliManager::loop() {
 bool CliManager::readLine(std::string &line, bool linebreak) {
     auto ok = true;
     char prompt[256];
-    static auto color = 0u;
-    ::snprintf(prompt, sizeof(prompt),
-                "\001"          // RL_PROMPT_START_IGNORE
-                "\033[1;%um"    // color codes start
-                "\002"          // RL_PROMPT_END_IGNORE
-                "nebula> "      // prompt
-                "\001"          // RL_PROMPT_START_IGNORE
-                "\033[0m"       // restore color code
-                "\002",         // RL_PROMPT_END_IGNORE
-                color++ % 6 + 31);
+    if (isInteractive_) {
+        static auto color = 0u;
+        ::snprintf(prompt, sizeof(prompt),
+                   "\001"          // RL_PROMPT_START_IGNORE
+                   "\033[1;%um"    // color codes start
+                   "\002"          // RL_PROMPT_END_IGNORE
+                   "nebula> "      // prompt
+                   "\001"          // RL_PROMPT_START_IGNORE
+                   "\033[0m"       // restore color code
+                   "\002",         // RL_PROMPT_END_IGNORE
+                   color++ % 6 + 31);
+    } else {
+        prompt[0] = '\0';   // prompt
+    }
+
     auto *input = ::readline(linebreak ? "": prompt);
 
     do {
@@ -184,6 +204,9 @@ bool CliManager::readLine(std::string &line, bool linebreak) {
 
 
 void CliManager::updateHistory(const char *line) {
+    if (!enableHistroy_) {
+        return;
+    }
     auto **hists = ::history_list();
     auto i = 0;
     // Search in history
@@ -208,6 +231,9 @@ void CliManager::updateHistory(const char *line) {
 
 
 void CliManager::saveHistory() {
+    if (!enableHistroy_) {
+        return;
+    }
     std::string histfile;
     histfile += ::getenv("HOME");
     histfile += "/.nebula_history";
@@ -225,6 +251,9 @@ void CliManager::saveHistory() {
 
 
 void CliManager::loadHistory() {
+    if (!enableHistroy_) {
+        return;
+    }
     std::string histfile;
     histfile += ::getenv("HOME");
     histfile += "/.nebula_history";
diff --git a/src/console/CliManager.h b/src/console/CliManager.h
index 0af4e31ed1b..8d4d55cc0e9 100644
--- a/src/console/CliManager.h
+++ b/src/console/CliManager.h
@@ -42,6 +42,8 @@ class CliManager final {
     std::string addr_;
     uint16_t port_;
     std::string username_;
+    bool enableHistroy_{true};
+    bool isInteractive_{true};
 
     std::unique_ptr<CmdProcessor> cmdProcessor_;
 };
diff --git a/src/graph/test/CMakeLists.txt b/src/graph/test/CMakeLists.txt
index cc489f6c1fd..f10195cc5e4 100644
--- a/src/graph/test/CMakeLists.txt
+++ b/src/graph/test/CMakeLists.txt
@@ -30,6 +30,8 @@ add_library(graph_test_common_obj OBJECT
     TestBase.cpp
 )
 
+add_dependencies(graph_test_common_obj meta_thrift_obj graph_thrift_obj)
+
 
 add_executable(
     session_manager_test
diff --git a/src/kvstore/NebulaStore.cpp b/src/kvstore/NebulaStore.cpp
index 54abe1f71aa..12820378594 100644
--- a/src/kvstore/NebulaStore.cpp
+++ b/src/kvstore/NebulaStore.cpp
@@ -274,8 +274,6 @@ void NebulaStore::removePart(GraphSpaceID spaceId, PartitionID partId) {
         if (partIt != spaceIt->second->parts_.end()) {
             auto* e = partIt->second->engine();
             CHECK_NOTNULL(e);
-            // Stop the raft
-            partIt->second->stop();
             raftService_->removePartition(partIt->second);
             spaceIt->second->parts_.erase(partId);
             e->removePart(partId);
diff --git a/src/meta/ActiveHostsMan.cpp b/src/meta/ActiveHostsMan.cpp
index 4c35988e457..a965f07ae4e 100644
--- a/src/meta/ActiveHostsMan.cpp
+++ b/src/meta/ActiveHostsMan.cpp
@@ -34,10 +34,9 @@ ActiveHostsMan::ActiveHostsMan(int32_t intervalSeconds, int32_t expiredSeconds,
 bool ActiveHostsMan::updateHostInfo(const HostAddr& hostAddr, const HostInfo& info) {
     std::vector<kvstore::KV> data;
     {
-        folly::RWSpinLock::ReadHolder rh(&lock_);
+        folly::RWSpinLock::WriteHolder wh(&lock_);
         auto it = hostsMap_.find(hostAddr);
         if (it == hostsMap_.end()) {
-            folly::RWSpinLock::UpgradedHolder uh(&lock_);
             hostsMap_.emplace(hostAddr, std::move(info));
             data.emplace_back(MetaServiceUtils::hostKey(hostAddr.first, hostAddr.second),
                               MetaServiceUtils::hostValOnline());