diff --git a/AstroLib/Src/AsAttitudeParam_2023.cpp b/AstroLib/Src/AsAttitudeParam_2023.cpp
index 78d413bcd373dd7c3deccf37c28fe1ff3fd90d5b..58f715ba809dfab3523443a232cec2a4f17ddcb5 100644
--- a/AstroLib/Src/AsAttitudeParam_2023.cpp
+++ b/AstroLib/Src/AsAttitudeParam_2023.cpp
@@ -623,7 +623,7 @@ void AsQuatToEuler323(CQuaternion& quat, CEuler& euler)
 ///***********************************************************************
 /// 根据坐标转移矩阵计算132转序欧拉角
 /// @Author	Wang Deyu
-/// @Date	2025.03.11
+/// @Date	2025.03.15
 /// @Input
 /// @Param	mtx     输入的转移矩阵
 /// @Output	
@@ -631,23 +631,19 @@ void AsQuatToEuler323(CQuaternion& quat, CEuler& euler)
 ///***********************************************************************
 void AsMtxToEuler132(const CMatrix<double>& mtx, CEuler& euler)
 {
-	const double pi = 4 * std::atan(1.0);
 	double cbeta;
-    //处理万向锁
-	if (sqrt(mtx[0][0] * mtx[0][0] + mtx[2][0] * mtx[2][0]) < 1e-6)
+    //处理万向锁	
+	if (fabs(-mtx[1][0] - 1) < 1e-12)
 	{
-		if (-mtx[1][0] > 0)
-		{
-			euler.m_Angle1 = 0;
-			euler.m_Angle2 = pi / 2;
-			euler.m_Angle3 = atan2(-mtx[0][2], mtx[0][1]);
-		}
-		else
-		{
-			euler.m_Angle1 = 0;
-			euler.m_Angle2 = -pi / 2;
-			euler.m_Angle3 = atan2(-mtx[0][2], -mtx[0][1]);
-		}
+		euler.m_Angle1 = 0;
+		euler.m_Angle2 = AsCPI / 2;
+		euler.m_Angle3 = atan2(-mtx[0][2], mtx[0][1]);
+	}
+	else if(fabs(-mtx[1][0] + 1) < 1e-12)
+	{
+		euler.m_Angle1 = 0;
+		euler.m_Angle2 = -AsCPI / 2;
+		euler.m_Angle3 = atan2(-mtx[0][2], -mtx[0][1]);
 	}
 	else
 	{