diff --git a/lite/include/lite/global.h b/lite/include/lite/global.h
index 2fde9d8b..e681ee7e 100644
--- a/lite/include/lite/global.h
+++ b/lite/include/lite/global.h
@@ -77,7 +77,7 @@ LITE_API bool update_decryption_or_key(
  * other config not inclue in config and networkIO, ParseInfoFunc can fill it
  * with the information in json, now support:
  * "device_id" : int, default 0
- * "number_threads" : size_t, default 1
+ * "number_threads" : uint32_t, default 1
  * "is_inplace_model" : bool, default false
  * "use_tensorrt" : bool, default false
  */
diff --git a/lite/include/lite/tensor.h b/lite/include/lite/tensor.h
index 44495ce0..9ccc80c2 100644
--- a/lite/include/lite/tensor.h
+++ b/lite/include/lite/tensor.h
@@ -149,28 +149,42 @@ private:
  */
 class LITE_API LiteAny {
 public:
+    enum Type {
+        STRING = 0,
+        INT32 = 1,
+        UINT32 = 2,
+        UINT8 = 3,
+        INT8 = 4,
+        INT64 = 5,
+        UINT64 = 6,
+        BOOL = 7,
+        VOID_PTR = 8,
+        FLOAT = 9,
+        NONE_SUPPORT = 10,
+    };
     LiteAny() = default;
     template <class T>
     LiteAny(T value) : m_holder(new AnyHolder<T>(value)) {
-        m_is_string = std::is_same<std::string, T>();
+        m_type = get_type<T>();
     }
 
     LiteAny(const LiteAny& any) {
         m_holder = any.m_holder->clone();
-        m_is_string = any.is_string();
+        m_type = any.m_type;
     }
     LiteAny& operator=(const LiteAny& any) {
         m_holder = any.m_holder->clone();
-        m_is_string = any.is_string();
+        m_type = any.m_type;
         return *this;
     }
-    bool is_string() const { return m_is_string; }
+
+    template <class T>
+    Type get_type() const;
 
     class HolderBase {
     public:
         virtual ~HolderBase() = default;
         virtual std::shared_ptr<HolderBase> clone() = 0;
-        virtual size_t type_length() const = 0;
     };
 
     template <class T>
@@ -180,7 +194,6 @@ public:
         virtual std::shared_ptr<HolderBase> clone() override {
             return std::make_shared<AnyHolder>(m_value);
         }
-        virtual size_t type_length() const override { return sizeof(T); }
 
     public:
         T m_value;
@@ -188,14 +201,21 @@ public:
     //! if type is miss matching, it will throw
     void type_missmatch(size_t expect, size_t get) const;
 
-    //! only check the storage type and the visit type length, so it's not safe
     template <class T>
-    T unsafe_cast() const {
-        if (sizeof(T) != m_holder->type_length()) {
-            type_missmatch(m_holder->type_length(), sizeof(T));
+    T safe_cast() const {
+        if (get_type<T>() != m_type) {
+            type_missmatch(m_type, get_type<T>());
         }
         return static_cast<LiteAny::AnyHolder<T>*>(m_holder.get())->m_value;
     }
+    template <class T>
+    bool try_cast() const {
+        if (get_type<T>() == m_type) {
+            return true;
+        } else {
+            return false;
+        }
+    }
     //! only check the storage type and the visit type length, so it's not safe
     void* cast_void_ptr() const {
         return &static_cast<LiteAny::AnyHolder<char>*>(m_holder.get())->m_value;
@@ -203,7 +223,7 @@ public:
 
 private:
     std::shared_ptr<HolderBase> m_holder;
-    bool m_is_string = false;
+    Type m_type = NONE_SUPPORT;
 };
 
 /*********************** special tensor function ***************/
diff --git a/lite/lite-c/src/global.cpp b/lite/lite-c/src/global.cpp
index cc50e676..48703a44 100644
--- a/lite/lite-c/src/global.cpp
+++ b/lite/lite-c/src/global.cpp
@@ -127,7 +127,8 @@ int LITE_register_parse_info_func(
                     separate_config_map["device_id"] = device_id;
                 }
                 if (nr_threads != 1) {
-                    separate_config_map["nr_threads"] = nr_threads;
+                    separate_config_map["nr_threads"] =
+                            static_cast<uint32_t>(nr_threads);
                 }
                 if (is_cpu_inplace_mode != false) {
                     separate_config_map["is_inplace_mode"] = is_cpu_inplace_mode;
diff --git a/lite/src/mge/network_impl.cpp b/lite/src/mge/network_impl.cpp
index a8a98d86..a64c8bd0 100644
--- a/lite/src/mge/network_impl.cpp
+++ b/lite/src/mge/network_impl.cpp
@@ -352,19 +352,19 @@ void NetworkImplDft::load_model(
 
     //! config some flag get from json config file
     if (separate_config_map.find("device_id") != separate_config_map.end()) {
-        set_device_id(separate_config_map["device_id"].unsafe_cast<int>());
+        set_device_id(separate_config_map["device_id"].safe_cast<int>());
     }
     if (separate_config_map.find("number_threads") != separate_config_map.end() &&
-        separate_config_map["number_threads"].unsafe_cast<size_t>() > 1) {
+        separate_config_map["number_threads"].safe_cast<uint32_t>() > 1) {
         set_cpu_threads_number(
-                separate_config_map["number_threads"].unsafe_cast<size_t>());
+                separate_config_map["number_threads"].safe_cast<uint32_t>());
     }
     if (separate_config_map.find("enable_inplace_model") != separate_config_map.end() &&
-        separate_config_map["enable_inplace_model"].unsafe_cast<bool>()) {
+        separate_config_map["enable_inplace_model"].safe_cast<bool>()) {
         set_cpu_inplace_mode();
     }
     if (separate_config_map.find("use_tensorrt") != separate_config_map.end() &&
-        separate_config_map["use_tensorrt"].unsafe_cast<bool>()) {
+        separate_config_map["use_tensorrt"].safe_cast<bool>()) {
         use_tensorrt();
     }
 
diff --git a/lite/src/parse_info/default_parse.h b/lite/src/parse_info/default_parse.h
index 09dcb89d..7873e10e 100644
--- a/lite/src/parse_info/default_parse.h
+++ b/lite/src/parse_info/default_parse.h
@@ -84,7 +84,7 @@ bool default_parse_info(
         }
         if (device_json.contains("number_threads")) {
             separate_config_map["number_threads"] =
-                    static_cast<size_t>(device_json["number_threads"]);
+                    static_cast<uint32_t>(device_json["number_threads"]);
         }
         if (device_json.contains("enable_inplace_model")) {
             separate_config_map["enable_inplace_model"] =
diff --git a/lite/src/tensor.cpp b/lite/src/tensor.cpp
index 3a81bfbc..9becbb98 100644
--- a/lite/src/tensor.cpp
+++ b/lite/src/tensor.cpp
@@ -277,10 +277,28 @@ void Tensor::update_from_implement() {
 void LiteAny::type_missmatch(size_t expect, size_t get) const {
     LITE_THROW(ssprintf(
             "The type store in LiteAny is not match the visit type, type of "
-            "storage length is %zu, type of visit length is %zu.",
+            "storage enum is %zu, type of visit enum is %zu.",
             expect, get));
 }
 
+namespace lite {
+#define GET_TYPE(ctype, ENUM)                        \
+    template <>                                      \
+    LiteAny::Type LiteAny::get_type<ctype>() const { \
+        return ENUM;                                 \
+    }
+GET_TYPE(std::string, STRING)
+GET_TYPE(int32_t, INT32)
+GET_TYPE(uint32_t, UINT32)
+GET_TYPE(int8_t, INT8)
+GET_TYPE(uint8_t, UINT8)
+GET_TYPE(int64_t, INT64)
+GET_TYPE(uint64_t, UINT64)
+GET_TYPE(float, FLOAT)
+GET_TYPE(bool, BOOL)
+GET_TYPE(void*, VOID_PTR)
+}  // namespace lite
+
 std::shared_ptr<Tensor> TensorUtils::concat(
         const std::vector<Tensor>& tensors, int dim, LiteDeviceType dst_device,
         int dst_device_id) {