diff --git a/build.gradle b/build.gradle
index 5e57e619..dc399995 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,8 +10,9 @@ buildscript {
         classpath 'com.android.tools.build:gradle:4.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "com.getkeepsafe.dexcount:dexcount-gradle-plugin:3.0.1"
-//        classpath project(":library")
-        classpath "com.github.qq549631030:android-junk-code:1.1.4"
+        if (PLUGIN_ENABLE.toBoolean()) {
+            classpath "com.github.qq549631030:android-junk-code:1.1.5"
+        }
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
diff --git a/library/gradle.properties b/library/gradle.properties
index 05bd02e1..195e4590 100644
--- a/library/gradle.properties
+++ b/library/gradle.properties
@@ -1,6 +1,6 @@
 #project
 GROUP=com.github.qq549631030
-VERSION_NAME=1.1.4
+VERSION_NAME=1.1.5
 
 POM_ARTIFACT_ID=android-junk-code
 POM_NAME=AndroidJunkCode
diff --git a/library/src/main/groovy/cn/hx/plugin/junkcode/plugin/AndroidJunkCodePlugin.groovy b/library/src/main/groovy/cn/hx/plugin/junkcode/plugin/AndroidJunkCodePlugin.groovy
index 2938b96b..45213f7c 100644
--- a/library/src/main/groovy/cn/hx/plugin/junkcode/plugin/AndroidJunkCodePlugin.groovy
+++ b/library/src/main/groovy/cn/hx/plugin/junkcode/plugin/AndroidJunkCodePlugin.groovy
@@ -20,7 +20,7 @@ class AndroidJunkCodePlugin implements Plugin<Project> {
             def junkCodeConfig = generateJunkCodeExt.variantConfig.findByName(variantName)
             if (junkCodeConfig) {
                 def junkCodeNamespace = ""
-                if (android.hasProperty("namespace")) {//AGP 7.3+
+                if (android.hasProperty("namespace") && android.namespace) {//AGP 4.2.0+
                     junkCodeNamespace = android.namespace
                 } else {
                     //从AndroidManifest.xml找到package name
@@ -38,7 +38,7 @@ class AndroidJunkCodePlugin implements Plugin<Project> {
                 }
                 def junkCodeOutDir = new File(project.buildDir, "generated/source/junk/$variantName")
                 def generateJunkCodeTaskName = "generate${variantName.capitalize()}JunkCode"
-                def generateJunkCodeTask = project.tasks.create(generateJunkCodeTaskName, AndroidJunkCodeTask){
+                def generateJunkCodeTask = project.tasks.create(generateJunkCodeTaskName, AndroidJunkCodeTask) {
                     config = junkCodeConfig
                     namespace = junkCodeNamespace
                     outDir = junkCodeOutDir