diff --git a/src/xsync_v2.cpp b/src/xsync_v2.cpp
index aa49479..89494a9 100644
--- a/src/xsync_v2.cpp
+++ b/src/xsync_v2.cpp
@@ -1007,9 +1007,9 @@ xs_error_code_t Xsync::readfreq(uint32_t reg, float &freqfloat) {
   }
 
   if (freq_cnt != 0) {
-    uint32_t freq_1000x = ((1.0 / (freq_cnt * 1.0 / (10 * 1000 * 1000))) * 1000 + 0.5);  //+0.5是因为c++ 小数强转成整数时是取整，而非四舍五入
+    uint32_t freq_100x = ((1.0 / (freq_cnt * 1.0 / (10 * 1000 * 1000))) * 100 + 0.5);  //+0.5是因为c++ 小数强转成整数时是取整，而非四舍五入
     // ZLOGI(TAG, "freq_10x %f", freq_10x);
-    freqfloat = freq_1000x / 1000.0;
+    freqfloat = freq_100x / 100.0;
   } else {
     freqfloat = 0;
   }