diff --git a/wmserver/BUILD.gn b/wmserver/BUILD.gn
index af1ecf0c..2abb5997 100644
--- a/wmserver/BUILD.gn
+++ b/wmserver/BUILD.gn
@@ -71,6 +71,7 @@ ohos_shared_library("libwms") {
     "src/window_layout_policy_cascade.cpp",
     "src/window_layout_policy_tile.cpp",
     "src/window_manager_agent_controller.cpp",
+    "src/window_manager_config.cpp",
     "src/window_manager_service.cpp",
     "src/window_manager_stub.cpp",
     "src/window_node.cpp",
diff --git a/wmserver/include/window_manager_config.h b/wmserver/include/window_manager_config.h
new file mode 100644
index 00000000..7efe7f3d
--- /dev/null
+++ b/wmserver/include/window_manager_config.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_ROSEN_WINDOW_MANAGER_CONFIG_H
+#define OHOS_ROSEN_WINDOW_MANAGER_CONFIG_H
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <refbase.h>
+#include "libxml/parser.h"
+#include "libxml/tree.h"
+
+namespace OHOS {
+namespace Rosen {
+class WindowManagerConfig : public RefBase {
+public:
+    WindowManagerConfig() = delete;
+    ~WindowManagerConfig() = default;
+
+    static bool LoadConfigXml(const std::string& configFilePath);
+    static const std::map<std::string, bool>& GetEnableConfig();
+    static const std::map<std::string, std::vector<int>>& GetNumbersConfig();
+    static void DumpConfig();
+
+private:
+    static std::map<std::string, bool> enableConfig_;
+    static std::map<std::string, std::vector<int>> numbersConfig_;
+
+    static bool IsValidNode(const xmlNode& currNode);
+    static void ReadEnableConfigInfo(const xmlNodePtr& currNode);
+    static void ReadNumbersConfigInfo(const xmlNodePtr& currNode);
+};
+} // namespace Rosen
+} // namespace OHOS
+#endif // OHOS_ROSEN_WINDOW_MANAGER_CONFIG_H
diff --git a/wmserver/include/window_manager_service.h b/wmserver/include/window_manager_service.h
index a4dcd159..b2029b98 100644
--- a/wmserver/include/window_manager_service.h
+++ b/wmserver/include/window_manager_service.h
@@ -32,9 +32,6 @@
 #include "window_root.h"
 #include "snapshot_controller.h"
 
-#include "libxml/parser.h"
-#include "libxml/tree.h"
-
 namespace OHOS {
 namespace Rosen {
 class DisplayChangeListener : public IDisplayChangeListener {
@@ -89,8 +86,7 @@ private:
     void RegisterWindowManagerServiceHandler();
     void OnWindowEvent(Event event, uint32_t windowId);
     void NotifyDisplayStateChange(DisplayId id, DisplayStateChangeType type);
-    bool LoadConfigXmlFile(std::string configFile);
-    bool ParseChildNode(xmlNode* child);
+    void ConfigureWindowManagerService();
 
     static inline SingletonDelegator<WindowManagerService> delegator;
     std::recursive_mutex mutex_;
diff --git a/wmserver/src/window_manager_config.cpp b/wmserver/src/window_manager_config.cpp
new file mode 100644
index 00000000..0c2b1378
--- /dev/null
+++ b/wmserver/src/window_manager_config.cpp
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "window_manager_config.h"
+#include "window_helper.h"
+#include "window_manager_hilog.h"
+
+namespace OHOS {
+namespace Rosen {
+namespace {
+    constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_WINDOW, "WindowManagerConfig"};
+}
+
+std::map<std::string, bool> WindowManagerConfig::enableConfig_;
+std::map<std::string, std::vector<int>> WindowManagerConfig::numbersConfig_;
+
+bool WindowManagerConfig::LoadConfigXml(const std::string& configFilePath)
+{
+    xmlDocPtr docPtr = xmlReadFile(configFilePath.c_str(), nullptr, XML_PARSE_NOBLANKS);
+    WLOGFI("[WmConfig] filePath: %{public}s", configFilePath.c_str());
+    if (docPtr == nullptr) {
+        WLOGFE("[WmConfig] load xml error!");
+        return false;
+    }
+
+    xmlNodePtr rootPtr = xmlDocGetRootElement(docPtr);
+    if (rootPtr == nullptr || rootPtr->name == nullptr ||
+        xmlStrcmp(rootPtr->name, reinterpret_cast<const xmlChar*>("Configs"))) {
+        WLOGFE("[WmConfig] get root element failed!");
+        xmlFreeDoc(docPtr);
+        return false;
+    }
+
+    for (xmlNodePtr curNodePtr = rootPtr->xmlChildrenNode; curNodePtr != nullptr; curNodePtr = curNodePtr->next) {
+        if (!IsValidNode(*curNodePtr)) {
+            WLOGFE("[WmConfig]: invalid node!");
+            continue;
+        }
+
+        auto nodeName = curNodePtr->name;
+        if (!xmlStrcmp(nodeName, reinterpret_cast<const xmlChar*>("decor")) ||
+            !xmlStrcmp(nodeName, reinterpret_cast<const xmlChar*>("minimizeByOther"))) {
+            ReadEnableConfigInfo(curNodePtr);
+            continue;
+        }
+        if (!xmlStrcmp(nodeName, reinterpret_cast<const xmlChar*>("maxAppWindowNumber")) ||
+            !xmlStrcmp(nodeName, reinterpret_cast<const xmlChar*>("modeChangeHotZones"))) {
+            ReadNumbersConfigInfo(curNodePtr);
+            continue;
+        }
+    }
+    xmlFreeDoc(docPtr);
+    return true;
+}
+
+bool WindowManagerConfig::IsValidNode(const xmlNode& currNode)
+{
+    if (currNode.name == nullptr || currNode.type == XML_COMMENT_NODE) {
+        return false;
+    }
+    return true;
+}
+
+void WindowManagerConfig::ReadEnableConfigInfo(const xmlNodePtr& currNode)
+{
+    xmlChar* enable = xmlGetProp(currNode, reinterpret_cast<const xmlChar*>("enable"));
+    if (enable == nullptr) {
+        WLOGFE("[WmConfig] read xml node error: nodeName:(%{public}s)", currNode->name);
+        return;
+    }
+
+    std::string nodeName = reinterpret_cast<const char *>(currNode->name);
+    enableConfig_[nodeName] = xmlStrcmp(enable, reinterpret_cast<const xmlChar*>("true")) ? false : true;
+    xmlFree(enable);
+}
+
+void WindowManagerConfig::ReadNumbersConfigInfo(const xmlNodePtr& currNode)
+{
+    xmlChar* context = xmlNodeGetContent(currNode);
+    if (context == nullptr) {
+        WLOGFE("[WmConfig] read xml node error: nodeName:(%{public}s)", currNode->name);
+        return;
+    }
+
+    std::vector<int> numbersVec;
+    std::string numbersStr = reinterpret_cast<const char*>(context);
+    auto numbers = WindowHelper::Split(numbersStr, " ");
+    for (auto& num : numbers) {
+        if (!WindowHelper::IsNumber(num)) {
+            WLOGFE("[WmConfig] read number error: nodeName:(%{public}s)", currNode->name);
+            xmlFree(context);
+            return;
+        }
+        numbersVec.emplace_back(std::stoi(num));
+    }
+
+    std::string nodeName = reinterpret_cast<const char *>(currNode->name);
+    numbersConfig_[nodeName] = numbersVec;
+    xmlFree(context);
+}
+
+const std::map<std::string, bool>& WindowManagerConfig::GetEnableConfig()
+{
+    return enableConfig_;
+}
+
+const std::map<std::string, std::vector<int>>& WindowManagerConfig::GetNumbersConfig()
+{
+    return numbersConfig_;
+}
+
+void WindowManagerConfig::DumpConfig()
+{
+    for (auto& enable : enableConfig_) {
+        WLOGFI("[WmConfig] Enable: %{public}s %{public}u", enable.first.c_str(), enable.second);
+    }
+
+    for (auto& numbers : numbersConfig_) {
+        WLOGFI("[WmConfig] Numbers: %{public}s %{public}zu", numbers.first.c_str(), numbers.second.size());
+        for (auto& num : numbers.second) {
+            WLOGFI("[WmConfig] Num: %{public}d", num);
+        }
+    }
+}
+} // namespace Rosen
+} // namespace OHOS
diff --git a/wmserver/src/window_manager_service.cpp b/wmserver/src/window_manager_service.cpp
index c071aa09..d0f12a06 100644
--- a/wmserver/src/window_manager_service.cpp
+++ b/wmserver/src/window_manager_service.cpp
@@ -29,6 +29,7 @@
 #include "window_helper.h"
 #include "window_inner_manager.h"
 #include "window_manager_agent_controller.h"
+#include "window_manager_config.h"
 #include "window_manager_hilog.h"
 #include "wm_common.h"
 #include "wm_trace.h"
@@ -106,99 +107,43 @@ bool WindowManagerService::Init()
         WLOGFW("WindowManagerService::Init failed");
         return false;
     }
-    if (!LoadConfigXmlFile(WINDOW_MANAGER_CONFIG_XML)) {
-        WLOGFW("Failed to load %{public}s", WINDOW_MANAGER_CONFIG_XML.c_str());
-        return false;
+    if (WindowManagerConfig::LoadConfigXml(WINDOW_MANAGER_CONFIG_XML)) {
+        WindowManagerConfig::DumpConfig();
+        ConfigureWindowManagerService();
     }
     WLOGFI("WindowManagerService::Init success");
     return true;
 }
 
-bool WindowManagerService::LoadConfigXmlFile(std::string configFile)
+void WindowManagerService::ConfigureWindowManagerService()
 {
-    xmlKeepBlanksDefault(0);
-    xmlDoc* file = xmlReadFile(configFile.c_str(), nullptr, 0);
-    if (!file) {
-        WLOGFE("Failed to open xml file");
-        return false;
-    }
-    xmlNode* rootNode = xmlDocGetRootElement(file);
-    if (!rootNode) {
-        WLOGFE("Failed to get xml file's RootNode");
-        xmlFreeDoc(file);
-        return false;
-    }
-    if (!xmlStrcmp(rootNode->name, reinterpret_cast<const xmlChar*>("Configs"))) {
-        xmlNode* child = rootNode->children;
-        for (; child; child = child->next) {
-            if (!ParseChildNode(child)) {
-                WLOGFE("Invalid resource name for %{public}s", configFile.c_str());
-                xmlFreeDoc(file);
-                return false;
-            }
-        }
-    } else {
-        WLOGFE("Wrong format for xml file");
-        xmlFreeDoc(file);
-        return false;
-    }
-    xmlFreeDoc(file);
-    WLOGFI("Success to Load %{public}s", configFile.c_str());
-    return true;
-}
+    auto enableConfig = WindowManagerConfig::GetEnableConfig();
+    auto numbersConfig = WindowManagerConfig::GetNumbersConfig();
 
-bool WindowManagerService::ParseChildNode(xmlNode* child)
-{
-    if (!xmlStrcmp(child->name, reinterpret_cast<const xmlChar*>("decor"))) {
-        char* enable = reinterpret_cast<char*>(xmlGetProp(child, reinterpret_cast<const xmlChar*>("enable")));
-        if (!enable) {
-            return false;
-        }
-        if (!strcmp(enable, "false")) {
-            isSystemDecorEnable_ = false;
-        } else if (!strcmp(enable, "true")) {
-            isSystemDecorEnable_ = true;
-        } else {
-            WLOGFW("Invalid resource prop");
-        }
-    } else if (!xmlStrcmp(child->name, reinterpret_cast<const xmlChar*>("maxAppWindowNumber"))) {
-        const char* maxAppWindowNumberStr = reinterpret_cast<const char*>(xmlNodeGetContent(child));
-        if (!maxAppWindowNumberStr || !WindowHelper::IsNumber(maxAppWindowNumberStr)) {
-            WLOGFW("Invalid maxAppWindowNumber");
-            return false;
-        }
-        windowRoot_->SetMaxAppWindowNumber(std::atoi(maxAppWindowNumberStr));
-    } else if (!xmlStrcmp(child->name, reinterpret_cast<const xmlChar*>("minimizeByOther"))) {
-        char* enable = reinterpret_cast<char*>(xmlGetProp(child, reinterpret_cast<const xmlChar*>("enable")));
-        if (!enable) {
-            return false;
-        }
-        if (!strcmp(enable, "false")) {
-            windowRoot_->SetMinimizedByOtherWindow(false);
-        } else if (!strcmp(enable, "true")) {
-            windowRoot_->SetMinimizedByOtherWindow(true);
-        } else {
-            WLOGFW("Invalid resource prop");
-        }
-    } else if (!xmlStrcmp(child->name, reinterpret_cast<const xmlChar*>("modeChangeHotZones"))) {
-        const char* hotZones = reinterpret_cast<const char*>(xmlNodeGetContent(child));
-        if (!hotZones) {
-            WLOGFW("Invalid hotZones");
-            return false;
-        }
-        std::string hotZonesStr = hotZones;
-        auto result = WindowHelper::Split(hotZonesStr, " ");
-        if (result.size() != 3 || !WindowHelper::IsNumber(result[0]) ||                 // 3 hot zones, 0 fullscreen
-            !WindowHelper::IsNumber(result[1]) || !WindowHelper::IsNumber(result[2])) { // 1 primary, 2 secondary
-            return false;
-        }
-        hotZonesConfig_.fullscreenRange_ = static_cast<uint32_t>(std::stoi(result[0])); // 0 fullscreen
-        hotZonesConfig_.primaryRange_ = static_cast<uint32_t>(std::stoi(result[1]));    // 1 primary
-        hotZonesConfig_.secondaryRange_ = static_cast<uint32_t>(std::stoi(result[2]));  // 2 secondary
-        hotZonesConfig_.isModeChangeHotZoneConfigured_ = true;
+    if (enableConfig.count("decor") != 0) {
+        isSystemDecorEnable_ = enableConfig["decor"];
     }
 
-    return true;
+    if (enableConfig.count("minimizeByOther") != 0) {
+        windowRoot_->SetMinimizedByOtherWindow(enableConfig["minimizeByOther"]);
+    }
+
+    if (numbersConfig.count("maxAppWindowNumber") != 0) {
+        auto numbers = numbersConfig["maxAppWindowNumber"];
+        if (numbers.size() == 1) {
+            windowRoot_->SetMaxAppWindowNumber(numbers[0]);
+        }
+    }
+
+    if (numbersConfig.count("modeChangeHotZones") != 0) {
+        auto numbers = numbersConfig["modeChangeHotZones"];
+        if (numbers.size() == 3) { // 3 hot zones
+            hotZonesConfig_.fullscreenRange_ = static_cast<uint32_t>(numbers[0]); // 0 fullscreen
+            hotZonesConfig_.primaryRange_ = static_cast<uint32_t>(numbers[1]);    // 1 primary
+            hotZonesConfig_.secondaryRange_ = static_cast<uint32_t>(numbers[2]);  // 2 secondary
+            hotZonesConfig_.isModeChangeHotZoneConfigured_ = true;
+        }
+    }
 }
 
 void WindowManagerService::OnStop()