diff --git a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/entity/ProjectDescriptor.kt b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/entity/ProjectDescriptor.kt
index ca435dc..25cbb44 100644
--- a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/entity/ProjectDescriptor.kt
+++ b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/entity/ProjectDescriptor.kt
@@ -43,11 +43,12 @@ internal class ProjectDescriptor private constructor() {
          * @return [ProjectDescriptor]
          */
         internal fun create(settings: Settings, name: String = "") = ProjectDescriptor().also {
-            val isRootProject = name.isBlank() || name == settings.rootProject.name
+            val isRootProject = name.isBlank() || name.lowercase() == settings.rootProject.name.lowercase()
+            val subProjectNotice = "if this is a sub-project, please set it like \":$name\""
             it.type = Type.SETTINGS
             it.name = name.noBlank() ?: settings.rootProject.name
-            it.currentDir = (if (isRootProject) settings.rootProject else settings.findProject(":$name"))?.projectDir
-                ?: SError.make("Project \"$name\" not found")
+            it.currentDir = (if (isRootProject) settings.rootProject else settings.findProject(name))?.projectDir
+                ?: SError.make("Project \"$name\" not found${if (name.startsWith(":").not()) ", $subProjectNotice" else ""}")
             it.rootDir = settings.rootDir
             it.homeDir = settings.gradle.gradleUserHomeDir
         }
@@ -59,7 +60,7 @@ internal class ProjectDescriptor private constructor() {
          */
         internal fun create(project: Project) = ProjectDescriptor().also {
             it.type = Type.PROJECT
-            it.name = project.fullName
+            it.name = project.fullName()
             it.currentDir = project.projectDir
             it.rootDir = project.rootDir
             it.homeDir = project.gradle.gradleUserHomeDir
diff --git a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/factory/GradleProjectFactory.kt b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/factory/GradleProjectFactory.kt
index 7c5fa43..6ef81dd 100644
--- a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/factory/GradleProjectFactory.kt
+++ b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/gradle/factory/GradleProjectFactory.kt
@@ -29,23 +29,23 @@ import org.gradle.kotlin.dsl.repositories
 
 /**
  * 获取指定项目的完整名称
+ * @param isUseColon 是否在子项目前使用冒号 - 默认是
  * @return [String]
  */
-internal val Project.fullName
-    get(): String {
-        val baseNames = mutableListOf<String>()
+internal fun Project.fullName(isUseColon: Boolean = true): String {
+    val isRoot = this == rootProject
+    val baseNames = mutableListOf<String>()
 
-        /**
-         * 递归子项目
-         * @param project 当前项目
-         */
-        fun fetchChild(project: Project) {
-            project.parent?.also { if (it != it.rootProject) fetchChild(it) }
-            baseNames.add(project.name)
-        }
-        fetchChild(project = this)
-        return buildString { baseNames.onEach { append(":$it") }.clear() }.drop(1)
-    }
+    /**
+     * 递归子项目
+     * @param project 当前项目
+     */
+    fun fetchChild(project: Project) {
+        project.parent?.also { if (it != it.rootProject) fetchChild(it) }
+        baseNames.add(project.name)
+    }; fetchChild(project = this)
+    return buildString { baseNames.onEach { append(":$it") }.clear() }.let { if (isUseColon && isRoot.not()) it else it.drop(1) }
+}
 
 /**
  * 向构建脚本添加自定义依赖
diff --git a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/config/factory/SweetPropertyConfigsFactory.kt b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/config/factory/SweetPropertyConfigsFactory.kt
index ac123a8..9d97a5e 100644
--- a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/config/factory/SweetPropertyConfigsFactory.kt
+++ b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/config/factory/SweetPropertyConfigsFactory.kt
@@ -33,7 +33,7 @@ import org.gradle.api.Project
  * @param project 当前项目
  * @return [ISweetPropertyConfigs.ISubConfigs]
  */
-internal fun ISweetPropertyConfigs.with(project: Project) = projects[project.fullName] ?: global
+internal fun ISweetPropertyConfigs.with(project: Project) = projects[project.fullName()] ?: global
 
 /**
  * 创建 [ISweetPropertyConfigs.ISubConfigs] 实例
diff --git a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/extension/dsl/configure/SweetPropertyConfigureExtension.kt b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/extension/dsl/configure/SweetPropertyConfigureExtension.kt
index 0d3e864..fe75c60 100644
--- a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/extension/dsl/configure/SweetPropertyConfigureExtension.kt
+++ b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/extension/dsl/configure/SweetPropertyConfigureExtension.kt
@@ -92,14 +92,23 @@ open class SweetPropertyConfigureExtension internal constructor() {
      * 配置根项目
      * @param action 配置方法体
      */
-    fun rootProject(action: Action<SubConfigureExtension>) = project(ROOT_PROJECT_TAG, action)
+    fun rootProject(action: Action<SubConfigureExtension>) = configureProject(ROOT_PROJECT_TAG, action, isLowercase = false)
 
     /**
      * 配置指定项目
      * @param name 项目完整名称
      * @param action 配置方法体
      */
-    fun project(name: String, action: Action<SubConfigureExtension>) = action.execute(SubConfigureExtension().also { projectConfigures[name] = it })
+    fun project(name: String, action: Action<SubConfigureExtension>) = configureProject(name, action)
+
+    /**
+     * 配置项目
+     * @param name 项目完整名称
+     * @param action 配置方法体
+     * @param isLowercase 是否转换 [name] 为小写 - 默认是
+     */
+    private fun configureProject(name: String, action: Action<SubConfigureExtension>, isLowercase: Boolean = true) =
+        action.execute(SubConfigureExtension().also { projectConfigures[if (isLowercase) name.lowercase() else name] = it })
 
     /**
      * 子配置方法体实现类
@@ -483,14 +492,14 @@ open class SweetPropertyConfigureExtension internal constructor() {
         val currentGlobal = globalConfigure.create()
         val currentProjects = mutableMapOf<String, ISweetPropertyConfigs.ISubConfigs>()
         val rootName = settings.rootProject.name
-        if (projectConfigures.containsKey(rootName))
+        if (projectConfigures.containsKey(rootName.lowercase()))
             SError.make("This name \"$rootName\" is a root project, please use rootProject function to configure it, not project(\"$rootName\")")
         if (projectConfigures.containsKey(ROOT_PROJECT_TAG)) {
-            projectConfigures[rootName] = projectConfigures[ROOT_PROJECT_TAG] ?: SError.make("Internal error")
+            projectConfigures[rootName.lowercase()] = projectConfigures[ROOT_PROJECT_TAG] ?: SError.make("Internal error")
             projectConfigures.remove(ROOT_PROJECT_TAG)
         }
         projectConfigures.forEach { (name, subConfigure) ->
-            name.checkingStartWithLetter(description = "Project")
+            name.replaceFirst(":", "").checkingStartWithLetter(description = "Project")
             subConfigure.checkingNames()
             currentProjects[name] = subConfigure.create(name, globalConfigure)
         }; return object : ISweetPropertyConfigs {
diff --git a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/helper/PropertiesDeployHelper.kt b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/helper/PropertiesDeployHelper.kt
index 8478153..1d3a664 100644
--- a/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/helper/PropertiesDeployHelper.kt
+++ b/sweetproperty-gradle-plugin/src/main/java/com/highcapable/sweetproperty/plugin/helper/PropertiesDeployHelper.kt
@@ -207,11 +207,11 @@ internal object PropertiesDeployHelper {
             val outputDir = file(configs.generateDirPath)
             if (configs.isEnable.not()) return
             val properties = generatedProperties(configs, ProjectDescriptor.create(project = this))
-            if (isConfigsModified.not() && properties == cachedProjectProperties[fullName] && outputDir.isEmpty().not()) {
+            if (isConfigsModified.not() && properties == cachedProjectProperties[fullName()] && outputDir.isEmpty().not()) {
                 if (configs.isEnable) configureSourceSets(project = this)
                 return
             }; outputDir.apply { if (exists()) deleteRecursively() }
-            cachedProjectProperties[fullName] = properties
+            cachedProjectProperties[fullName()] = properties
             val packageName = generatedPackageName(configs, project = this)
             val className = generatedClassName(configs, project = this)
             sourcesGenerator.build(configs, properties, packageName, className).writeTo(outputDir)
@@ -323,7 +323,7 @@ internal object PropertiesDeployHelper {
         val packageName = configs.packageName.noBlank()
             ?: project.namespace()
             ?: project.group.toString().noBlank()
-            ?: "$DEFAULT_PACKAGE_NAME.${project.fullName.replace(":", "").flatted()}"
+            ?: "$DEFAULT_PACKAGE_NAME.${project.fullName(isUseColon = false).replace(":", "").flatted()}"
         return "$packageName.generated"
     }
 
@@ -335,7 +335,7 @@ internal object PropertiesDeployHelper {
      */
     private fun generatedClassName(configs: ISweetPropertyConfigs.ISourcesCodeGenerateConfigs, project: Project): String {
         val className = configs.className.noBlank()
-            ?: project.fullName.replace(":", "_").uppercamelcase().noBlank()
+            ?: project.fullName(isUseColon = false).replace(":", "_").uppercamelcase().noBlank()
             ?: "Undefined"
         return "${className.uppercamelcase()}Properties"
     }