diff --git a/src/main/java/com/example/mina/client/experiment/HandoverExperiment.java b/src/main/java/com/example/mina/client/experiment/HandoverExperiment.java
index 0aa2126..43a8348 100644
--- a/src/main/java/com/example/mina/client/experiment/HandoverExperiment.java
+++ b/src/main/java/com/example/mina/client/experiment/HandoverExperiment.java
@@ -31,24 +31,24 @@ public class HandoverExperiment extends Experiment {
         if (one == null || one.getInList() == null) {
             return;
         }
-        // 输入端口的个数
+        // in port count
         int inSize = one.getInList().size();
         if (inSize < 2) {
             return;
         }
-        // 循环次数
+        // circle count
         Integer count = options.getMaxIterCount();
         if (count == null || count < 1) {
             return;
         }
         Integer step = options.getStep();
         Integer endAttenuation = options.getEndAttenuation();
-        int dynamicCont = endAttenuation / step;
         if (step == null || step <= 0) {
             return;
         }
+        int dynamicCont = endAttenuation / step;
         for (int i = 0; i < count; i++) {
-            // 输入端口只有 2 个
+            // in port count == 2
             if (inSize == 2) {
                 for (int k = 0; k <= dynamicCont; k++) {
                     int dynamic = step * k;
@@ -73,15 +73,14 @@ public class HandoverExperiment extends Experiment {
                     }
                 }
             } else {
-                // 输入端口大于 2
-                // 行数
+                // in port count > 2
                 int rowCount = 1 + inSize * dynamicCont;
-                // 动态衰减值 矩阵
+                // dynamic attenuation matrix
                 int[][] attenuation = new int[rowCount][inSize];
-                // 当前动态输入端口指针
+                // current dynamic in port index
                 int current = 0;
                 for (int k = 0; k < rowCount; k++) {
-                    // 动态衰减值
+                    // dynamic value
                     int dynamic = step * (k != 0 && k % dynamicCont == 0 ? dynamicCont : k % dynamicCont);
                     for (int j = 0; j < inSize; j++) {
                         if (j == current && j != inSize - 1) {
@@ -94,13 +93,11 @@ public class HandoverExperiment extends Experiment {
                             attenuation[k][j] = endAttenuation;
                         }
                     }
-                    // 一轮衰减完成后，当前动态输入端口指针 加 1
                     if (k != 0 && k % dynamicCont == 0) {
                         current++;
                     }
                 }
                 for (int x = 0; x < rowCount; x++) {
-                    // 当前行 --> 时间点，需要发送的 命令
                     List<MatrixCommand> commandList = new ArrayList<>();
                     for (int y = 0; y < inSize; y++) {
                         int att = attenuation[x][y];
@@ -112,7 +109,6 @@ public class HandoverExperiment extends Experiment {
                         }
                     }
                     commandList.forEach(this::sendCommand);
-                    // 发送完成后，清空集合。
                     commandList.clear();
                     try {
                         Thread.sleep(options.getPeriod() * 1000);
--
libgit2 0.21.2