diff --git a/framework.yaml b/framework.yaml
index bcf19c4..11ca598 100644
--- a/framework.yaml
+++ b/framework.yaml
@@ -7,5 +7,5 @@ spec:
     virtualEnv: base # 사용할 가상환경 이름입니다.
     package: requirements.txt # 설치할 Python 패키지 정보 파일입니다.(기본 값은 requirement.txt 입니다.)
 stackbase:
-  tagName: v0.0.19 # Stackbase(gitea)에 릴리즈 태그명 입니다.
+  tagName: v0.0.20 # Stackbase(gitea)에 릴리즈 태그명 입니다.
   repoName: sampyo-dio # Stackbase(gitea)에 저장될 저장소 이릅니다.	
diff --git a/main.py b/main.py
index 41ef7f3..0730721 100644
--- a/main.py
+++ b/main.py
@@ -62,7 +62,7 @@ def Measure_Weight(client):
             val = result.registers[0]
             val -= 1000
             val /= 1000            
-            print(f'value: {val}')
+            #print(f'value: {val}')
     except Exception as e:
         pass
     
@@ -103,6 +103,10 @@ def Command_Read():
         Valve_MixedWater(chip=output_lines, status=status, action='On')
         time.sleep(0.5)
         Valve_EnterWater(chip=output_lines, status=status, action='On')
+        time.sleep(0.5)
+        Valve_Vent(chip=output_lines, status=status, action='On')
+        time.sleep(vent_holding)
+        Valve_Vent(chip=output_lines, status=status, action='Off')
         time.sleep(mixed_duration)
         Valve_MixedWater(chip=output_lines, status=status, action='Off')
         time.sleep(0.5)
@@ -142,24 +146,24 @@ def Command_Read():
         # time.sleep(1)
         
         # Vent and Clear sequence
-        # 1) Open Vent and wait for 2 sec
-        Valve_Vent(chip=output_lines, status=status, action='On')
-        time.sleep(vent_holding)
-        
-        # 2) Motor On
+        # 1) Motor On
         Motor(chip=output_lines, status=status, action='On')
         time.sleep(0.5)
         
-        # 3) Input Pure Water
+        # 2) Input Pure Water
         Valve_PureWater(chip=output_lines, status=status, action='On')
         time.sleep(0.5)
         Valve_EnterWater(chip=output_lines, status=status, action='On')
-        time.sleep(pure_duration + pure_holding)
-        Valve_PureWater(chip=output_lines, status=status, action='Off')
-        time.sleep(0.5)
-        Valve_PureWater(chip=output_lines, status=status, action='Off')
-        time.sleep(0.5)
+        time.sleep(vent_holding)
 
+        # 3) Open Vent
+        Valve_Vent(chip=output_lines, status=status, action='On')
+        time.sleep(pure_duration)
+
+        Valve_PureWater(chip=output_lines, status=status, action='Off')
+        time.sleep(0.5)
+        Valve_EnterWater(chip=output_lines, status=status, action='Off')
+        
         # 4) Wait until empty
         time.sleep(vent_duration)