diff --git a/app/src/main/java/com/gh/common/util/UsageStatsHelper.kt b/app/src/main/java/com/gh/common/util/UsageStatsHelper.kt
index 58e7c0b5ed..4e0c9fce13 100644
--- a/app/src/main/java/com/gh/common/util/UsageStatsHelper.kt
+++ b/app/src/main/java/com/gh/common/util/UsageStatsHelper.kt
@@ -124,11 +124,12 @@ object UsageStatsHelper {
                 && curEvent.className == nextEvent.className
             ) {
                 val diff = nextEvent.timeStamp - curEvent.timeStamp
+                val packageName = curEvent.packageName ?: continue
 
-                if (pakAndTime[curEvent.packageName] == null) {
-                    pakAndTime[curEvent.packageName] = diff
+                if (pakAndTime[packageName] == null) {
+                    pakAndTime[packageName] = diff
                 } else {
-                    pakAndTime[curEvent.packageName] = pakAndTime[curEvent.packageName]!! + diff
+                    pakAndTime[packageName] = pakAndTime[packageName]!! + diff
                 }
             }
         }
diff --git a/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/GhTransform.kt b/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/GhTransform.kt
index 3121eb6aed..466ac0118f 100644
--- a/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/GhTransform.kt
+++ b/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/GhTransform.kt
@@ -49,6 +49,7 @@ class GhTransform(var project: Project) : Transform() {
         mTransformHelper.addTransformer(RoomTransformer())
         mTransformHelper.addTransformer(ActivityTransformer())
         mTransformHelper.addTransformer(AppCompatEditTextTransformer())
+        mTransformHelper.addTransformer(MiniGameWebViewTransformer())
     }
 
     /**
diff --git a/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/transform/MiniGameWebViewTransformer.kt b/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/transform/MiniGameWebViewTransformer.kt
new file mode 100644
index 0000000000..7be3fc8050
--- /dev/null
+++ b/buildSrc/src/main/kotlin/com/gh/gamecenter/plugin/transform/MiniGameWebViewTransformer.kt
@@ -0,0 +1,47 @@
+package com.gh.gamecenter.plugin.transform
+
+import javassist.ClassPool
+import javassist.CtClass
+import javassist.NotFoundException
+import javassist.bytecode.ClassFile
+import java.io.BufferedInputStream
+import java.io.DataInputStream
+import java.io.InputStream
+
+class MiniGameWebViewTransformer : Transformer {
+
+    private val classPool = ClassPool.getDefault()
+
+    override fun getModifyClassName(): String {
+        return "QUAUtil"
+    }
+
+    override fun modifyClass(filePath: String, inputStream: InputStream): CtClass? {
+        if (filePath.contains(getModifyClassName())) {
+
+            println("发现 QUAUtil")
+
+            val classFile = ClassFile(DataInputStream(BufferedInputStream(inputStream)))
+            val ctClass = classPool.get(classFile.name)
+
+            if (ctClass.isFrozen) {
+                ctClass.defrost()
+            }
+
+            // 使用 try catch 包裹找到的第一个 getSystemUA 方法 （若能找到的话）
+            try {
+                val ctMethod = ctClass.getDeclaredMethod("getSystemUA")
+                val body = "{ if (systemUA != null) { return systemUA; } systemUA = java.net.URLEncoder.encode(System.getProperty(\"http.agent\"), \"UTF-8\"); return systemUA; }"
+                ctMethod.setBody(body)
+
+                println("修改 getSystemUA 方法")
+            } catch (e: NotFoundException) {
+                e.printStackTrace()
+            }
+
+            return ctClass
+        }
+        return null
+    }
+
+}
\ No newline at end of file