diff --git a/build/ex2.ino.elf b/build/ex2.ino.elf
index fcc358d..1faf5db 100644
Binary files a/build/ex2.ino.elf and b/build/ex2.ino.elf differ
diff --git a/build/ex2.ino.hex b/build/ex2.ino.hex
index 8110918..8e538b1 100644
--- a/build/ex2.ino.hex
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diff --git a/build/ex2.ino.with_bootloader.bin b/build/ex2.ino.with_bootloader.bin
index 1d449f8..dd8669b 100644
Binary files a/build/ex2.ino.with_bootloader.bin and b/build/ex2.ino.with_bootloader.bin differ
diff --git a/build/ex2.ino.with_bootloader.hex b/build/ex2.ino.with_bootloader.hex
index 7054811..c6fc633 100644
--- a/build/ex2.ino.with_bootloader.hex
+++ b/build/ex2.ino.with_bootloader.hex
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 :107E2000C20080E18093C4008EE0C9D0259A86E02C
diff --git a/build/preproc/ctags_target_for_gcc_minus_e.cpp b/build/preproc/ctags_target_for_gcc_minus_e.cpp
index 0eb5f52..dcc00db 100644
--- a/build/preproc/ctags_target_for_gcc_minus_e.cpp
+++ b/build/preproc/ctags_target_for_gcc_minus_e.cpp
@@ -23,7 +23,8 @@ void loop() {
   {
     if (measure_distance()<DISTANCE)
     {
-      measure_T();;
+      measure_T();
+      show();
     }
   }
 }
@@ -82,3 +83,16 @@ byte read_byte(){
   }
   return byt;
 }
+
+void show(){
+  Serial.print("Current humdity = ");
+  Serial.print(data[0], 10); //显示湿度的整数部分；
+  Serial.print('.');
+  Serial.print(data[1], 10); //显示湿度的小数位；(其实是 0)
+  Serial.println(" %"); // 注意有空格要用 " %"  不可用 ' %'
+  Serial.print("Current temperature = ");
+  Serial.print(data[2], 10); //显示温度的整数部分；
+  Serial.print('.');
+  Serial.print(data[3], 10); //显示温度的小数位；(其实是 0)
+  Serial.println(" C");
+}
diff --git a/build/sketch/ex2.ino.cpp b/build/sketch/ex2.ino.cpp
index bae7ba4..1dba365 100644
--- a/build/sketch/ex2.ino.cpp
+++ b/build/sketch/ex2.ino.cpp
@@ -11,14 +11,16 @@ byte data[5];
 void setup();
 #line 18 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
 void loop();
-#line 30 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
+#line 31 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
 bool person_closing();
-#line 35 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
+#line 36 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
 double measure_distance();
-#line 46 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
+#line 47 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
 void measure_T();
-#line 71 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
+#line 72 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
 byte read_byte();
+#line 86 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
+void show();
 #line 8 "g:\\course\\wlw\\exs\\code\\ex2\\ex2.ino"
 void setup() {
   // put your setup code here, to run once:
@@ -37,7 +39,8 @@ void loop() {
   {
     if (measure_distance()<DISTANCE)
     {
-      measure_T();;
+      measure_T();
+      show();
     }
   }
 }
@@ -96,3 +99,16 @@ byte read_byte(){
   }
   return byt;
 }
+
+void show(){
+  Serial.print("Current humdity = ");
+  Serial.print(data[0], DEC); //显示湿度的整数部分；
+  Serial.print('.');
+  Serial.print(data[1], DEC); //显示湿度的小数位；(其实是 0)
+  Serial.println(" %");  // 注意有空格要用 " %"  不可用 ' %'
+  Serial.print("Current temperature = ");
+  Serial.print(data[2], DEC); //显示温度的整数部分；
+  Serial.print('.');
+  Serial.print(data[3], DEC); //显示温度的小数位；(其实是 0)
+  Serial.println(" C");
+}
diff --git a/build/sketch/ex2.ino.cpp.o b/build/sketch/ex2.ino.cpp.o
index 29bca14..2f1ca10 100644
Binary files a/build/sketch/ex2.ino.cpp.o and b/build/sketch/ex2.ino.cpp.o differ
diff --git a/ex2.ino b/ex2.ino
index 6ed0463..709a1e1 100644
--- a/ex2.ino
+++ b/ex2.ino
@@ -22,7 +22,8 @@ void loop() {
   {
     if (measure_distance()<DISTANCE)
     {
-      measure_T();;
+      measure_T();
+      show();
     }
   }
 }
@@ -80,4 +81,17 @@ byte read_byte(){
     }
   }
   return byt;
+}
+
+void show(){
+  Serial.print("Current humdity = ");
+  Serial.print(data[0], DEC); //显示湿度的整数部分；
+  Serial.print('.');
+  Serial.print(data[1], DEC); //显示湿度的小数位；(其实是 0)
+  Serial.println(" %");  // 注意有空格要用 " %"  不可用 ' %'
+  Serial.print("Current temperature = ");
+  Serial.print(data[2], DEC); //显示温度的整数部分；
+  Serial.print('.');
+  Serial.print(data[3], DEC); //显示温度的小数位；(其实是 0)
+  Serial.println(" C");
 }
\ No newline at end of file