diff --git a/frameworks/native/runtime/cj_runtime.cpp b/frameworks/native/runtime/cj_runtime.cpp
index ecf1697834d004eebefd5e2e51dbd930083283d0..5dae7bf282576d25cfe92569967e2608af9db938 100644
--- a/frameworks/native/runtime/cj_runtime.cpp
+++ b/frameworks/native/runtime/cj_runtime.cpp
@@ -186,6 +186,10 @@ void CJRuntime::SetSanitizerVersion(SanitizerKind kind)
 bool CJRuntime::RegisterCangjieCallback()
 {
     auto cjEnv = OHOS::CJEnv::LoadInstance();
+    if (cjEnv == nullptr) {
+        TAG_LOGE(AAFwkTag::CJRUNTIME, "null cjEnv");
+        return false;
+    }
     constexpr char CANGJIE_DEBUGGER_LIB_PATH[] = "libark_connect_inspector.z.so";
     #define LIBARARYKIND_SYS 0
     auto handlerConnectServerSo = cjEnv->loadLibrary(LIBARARYKIND_SYS, CANGJIE_DEBUGGER_LIB_PATH);
diff --git a/test/unittest/cj_runtime_test/cj_runtime_test.cpp b/test/unittest/cj_runtime_test/cj_runtime_test.cpp
index 7b64563d20a8e22e56b539ab57489c3a22a73f03..5cead5b8f53d0658a8b653c65b07c3f891ef6f7f 100644
--- a/test/unittest/cj_runtime_test/cj_runtime_test.cpp
+++ b/test/unittest/cj_runtime_test/cj_runtime_test.cpp
@@ -135,5 +135,15 @@ HWTEST_F(CjRuntimeTest, CjRuntimeStartDebuggerMode_001, TestSize.Level2)
     EXPECT_TRUE(debugOption.isDebugApp);
 }
 
+/**
+ * @tc.name: CjRuntimeRegisterCangjieCallback_001
+ * @tc.desc: CjRuntime test for RegisterCangjieCallback.
+ * @tc.type: FUNC
+ */
+HWTEST_F(CjRuntimeTest, CjRuntimeRegisterCangjieCallback_001, TestSize.Level2)
+{
+    bool ret = CJRuntime::RegisterCangjieCallback();
+    EXPECT_TRUE(ret);
+}
 }  // namespace Runtime
 }  // namespace OHOS