diff --git a/CppCrash/entry/src/main/cpp/CppCrashAdvise2.cpp b/CppCrash/entry/src/main/cpp/CppCrashAdvise2.cpp
index be88d64332a59fc530227ebcb034bdc190dc5d6e..f3bc9ac2b79b29196090327bd1ad828c7a1168d9 100644
--- a/CppCrash/entry/src/main/cpp/CppCrashAdvise2.cpp
+++ b/CppCrash/entry/src/main/cpp/CppCrashAdvise2.cpp
@@ -67,7 +67,7 @@ void Thread1FuncEx()
 void Thread2FuncEx()
 {
     std::lock_guard<std::mutex> lock(mutexEx_);
-    g_list.clear(); // 此处清空list，可能会造成线程1使用g_list时发生崩溃
+    g_list.clear();
 }
 // [End cppcrash_advise_2_positive]
 
@@ -105,8 +105,6 @@ void Checker::Detection(std::string& url)
 
 bool Checker::DoCheck(const std::string& url)
 {
-    int len1 = url.find("/generate_204");
-    int len = len1 - strlen("http://");
     // ...
     return true;
 }
diff --git a/MemoryDetection/entry/src/main/cpp/resource_leak.cpp b/MemoryDetection/entry/src/main/cpp/resource_leak.cpp
index 2e2a01ab3e835b0afb656313bd87bb5547e23104..a44d7e62cd59083fdd41d7d893b8c71fff8e15d9 100644
--- a/MemoryDetection/entry/src/main/cpp/resource_leak.cpp
+++ b/MemoryDetection/entry/src/main/cpp/resource_leak.cpp
@@ -213,5 +213,6 @@ void DemoCase(int length)
         }
     }
     // ...
+    delete[] bitmapBuffer;
 }
 // [End resource_leak_case_1]
\ No newline at end of file
diff --git a/MemoryDetection/entry/src/main/ets/pages/addressproblems.cpp b/MemoryDetection/entry/src/main/ets/pages/addressproblems.cpp
index 80960fedd68d03a29bcb78332ed8a41e7aa5e8c7..37144cc2a60809d0e41f8da9feb4db60a01cd57c 100644
--- a/MemoryDetection/entry/src/main/ets/pages/addressproblems.cpp
+++ b/MemoryDetection/entry/src/main/ets/pages/addressproblems.cpp
@@ -70,7 +70,7 @@ int heapBufferOverflow()
  */
 
 // [Start address_overflow_code]
-int main(int argc, char** argv) {
+int main(int argc, char** argv)
 {
     int stack_array[99];
     stack_array[1] = 0;
@@ -139,7 +139,7 @@ public:
         std::cout << "Doing work\n";
     }
 
-    ~Tash() {
+    ~Task() {
         std::cout << "Task destructed\n";
     }
 };