diff --git a/app/build.gradle b/app/build.gradle
index b861428..4d76191 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,12 +15,12 @@
         }
     }
 
-    compileSdkVersion 32
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId "com.casic.detector"
         minSdkVersion 22
-        targetSdkVersion 32
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0.0.0"
 
@@ -35,6 +35,7 @@
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
 

diff --git a/app/build.gradle b/app/build.gradle
index b861428..4d76191 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,12 +15,12 @@
         }
     }
 
-    compileSdkVersion 32
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId "com.casic.detector"
         minSdkVersion 22
-        targetSdkVersion 32
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0.0.0"
 
@@ -35,6 +35,7 @@
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
 
diff --git a/app/src/main/java/com/casic/detector/view/SearchLabelActivity.kt b/app/src/main/java/com/casic/detector/view/SearchLabelActivity.kt
index 6307cec..b5b15f1 100644
--- a/app/src/main/java/com/casic/detector/view/SearchLabelActivity.kt
+++ b/app/src/main/java/com/casic/detector/view/SearchLabelActivity.kt
@@ -177,11 +177,11 @@
                     //去掉前缀并缩小100倍
                     var energy = energyResponse.substring(1).toInt() / 100
                     if (energy >= 50) {
-                        //测试过程最大值（5189）52
+                        //测试过程最大值（5189）---> 5200
                         energy = 50
                     }
 
-                    if (energy > 14) {
+                    if (energy > 13) {
                         depthButton.isEnabled = true
                         degreeButton.isEnabled = true
 
@@ -213,15 +213,15 @@
                         }
                     }
 
-                    if (energy < 11) {//40°
+                    if (energy < 13) {//47°
                         energyTipsView.text = "标识器信号较弱，可能距离较远"
                         energyTipsView.setTextColor(Color.RED)
                         //重新测试更精确的能量值，不让测距
-                    } else if (energy > 41) {//150°
-                        energyTipsView.text = "标识器信号极强，可能就在附近"
+                    } else if (energy > 41) {//148°
+                        energyTipsView.text = "信号极强，接近标识器正上方"
                         energyTipsView.setTextColor(Color.GREEN)
-                    } else {//[40°,150°]
-                        energyTipsView.text = "标识器器信号波动，请继续移动位置"
+                    } else {//[47°,148°]
+                        energyTipsView.text = "已靠近标识器，请继续移动"
                         energyTipsView.setTextColor(Color.YELLOW)
                     }