diff --git a/interfaces/innerkits/syspara/param_comm.c b/interfaces/innerkits/syspara/param_comm.c
index 017708a69bba7492d52b44972d01951db85ae896..8591bc8d5d7cfffac4c761fee3ad45ba5ed94537 100644
--- a/interfaces/innerkits/syspara/param_comm.c
+++ b/interfaces/innerkits/syspara/param_comm.c
@@ -77,7 +77,7 @@ INIT_LOCAL_API int GetParameter_(const char *key, const char *def, char *value,
         if (def == NULL) {
             return GetSystemError(ret);
         }
-        if (strlen(def) >= len) {
+        if (strlen(def) > len) {
             return EC_INVALID;
         }
         ret = strcpy_s(value, len, def);
@@ -118,6 +118,41 @@ INIT_LOCAL_API const char *GetProperty(const char *key, const char **paramHolder
     return *paramHolder;
 }
 
+#ifndef OHOS_LITE
+INIT_LOCAL_API const char *GetPropertyAtomic(const char *key, const char **paramHolder)
+{
+    BEGET_CHECK(paramHolder != NULL, return NULL);
+    const char *_Atomic *atomicParam = (const char *_Atomic *)paramHolder;
+    const char *cached = atomic_load(atomicParam);
+    if (cached != NULL) {
+        return cached;
+    }
+
+    uint32_t len = 0;
+    int ret = SystemGetParameter(key, NULL, &len);
+    if (ret == 0 && len > 0) {
+        char *res = (char *)calloc(1, len + 1);
+        BEGET_CHECK(res != NULL, return NULL);
+        
+        ret = SystemGetParameter(key, res, &len);
+        if (ret != 0) {
+            free(res);
+            return NULL;
+        }
+
+        if (g_propertyGetProcessor != NULL) {
+            res = g_propertyGetProcessor(key, res);
+        }
+
+        const char *expected = NULL;
+        if (!atomic_compare_exchange_strong(atomicParam, &expected, res)) {
+            free(res);
+        }
+    }
+    return atomic_load(atomicParam);
+}
+#endif
+
 INIT_LOCAL_API PropertyValueProcessor SetPropertyGetProcessor(PropertyValueProcessor processor)
 {
     PropertyValueProcessor prev = g_propertyGetProcessor;
diff --git a/interfaces/innerkits/syspara/param_comm.h b/interfaces/innerkits/syspara/param_comm.h
index 2a7b033bf5385cfcc4e22226fe45f08ba3899bbe..305bf78dc8c3c64002c39eaa974c2d3ba9a732e9 100755
--- a/interfaces/innerkits/syspara/param_comm.h
+++ b/interfaces/innerkits/syspara/param_comm.h
@@ -16,6 +16,7 @@
 #ifndef INIT_PARAM_COMM_H
 #define INIT_PARAM_COMM_H
 #include <stdint.h>
+#include <stdatomic.h>
 #include "beget_ext.h"
 
 #ifdef __cplusplus
@@ -35,6 +36,9 @@ extern "C" {
 typedef char *(*PropertyValueProcessor)(const char *key, char *value);
 
 INIT_LOCAL_API const char *GetProperty(const char *key, const char **paramHolder);
+#ifndef OHOS_LITE
+INIT_LOCAL_API const char *GetPropertyAtomic(const char *key, const char **paramHolder);
+#endif
 INIT_LOCAL_API PropertyValueProcessor SetPropertyGetProcessor(PropertyValueProcessor processor);
 INIT_LOCAL_API int GetParameter_(const char *key, const char *def, char *value, uint32_t len);
 
diff --git a/interfaces/innerkits/syspara/parameter.c b/interfaces/innerkits/syspara/parameter.c
index d4d8da6f1b7fe6bf0d8a5c22f887590f9f33dbbb..e6108cf4a4d26dce240a320ccb5fbf53f4184c2f 100644
--- a/interfaces/innerkits/syspara/parameter.c
+++ b/interfaces/innerkits/syspara/parameter.c
@@ -17,6 +17,7 @@
 
 #include <stdint.h>
 #include <stdlib.h>
+#include <stdatomic.h>
 
 #include "param_comm.h"
 #include "init_param.h"
@@ -108,7 +109,15 @@ int SaveParameters(void)
 const char *GetDeviceType(void)
 {
     static const char *productType = NULL;
-    const char *deviceType = GetProperty("const.product.devicetype", &productType);
+    const char *deviceType = NULL;
+#ifndef OHOS_LITE
+    deviceType = GetPropertyAtomic("const.product.devicetype", &productType);
+    if (deviceType != NULL) {
+        return deviceType;
+    }
+    return GetPropertyAtomic("const.build.characteristics", &productType);
+#endif
+    deviceType = GetProperty("const.product.devicetype", &productType);
     if (deviceType != NULL) {
         return deviceType;
     }