diff --git a/src/Function1D.cpp b/src/Function1D.cpp
index 1fb6a5c..717edeb 100644
--- a/src/Function1D.cpp
+++ b/src/Function1D.cpp
@@ -1,4 +1,5 @@
 #include "Function1D.h"
+#include "Function2D.h"
 #include "Function.h"
 
 //必须在Eigen之前
@@ -420,12 +421,16 @@ Matrix Aurora::conj(const Matrix& aMatrix)
 
 double Aurora::norm(const Matrix& aMatrix, NormMethod aNormMethod)
 {
-    if(aMatrix.isComplex() || aMatrix.isNull())
+    if(aMatrix.isNull())
     {
         return NAN;
     }
 
     size_t size = aMatrix.getDataSize();
+    if(aMatrix.isComplex())
+    {
+        size*=2;
+    }
     int column = aMatrix.getDimSize(1);
     int row = aMatrix.getDimSize(0);
     if (aNormMethod == NormMethod::Norm1)
@@ -433,7 +438,7 @@ double Aurora::norm(const Matrix& aMatrix, NormMethod aNormMethod)
         double value = 0;
         for(int i=0; i<column; ++i)
         {
-            double temp = cblas_dasum(row, aMatrix($,i,$).toMatrix().getData(), 1);
+            double temp = Aurora::sum(abs(aMatrix($,i,$).toMatrix())).getData()[0];
             if(temp > value)
             {
                 value = temp;
@@ -450,9 +455,18 @@ double Aurora::norm(const Matrix& aMatrix, NormMethod aNormMethod)
         //columns > 1
         if(aMatrix.getDimSize(1) > 1)
         {
-            Eigen::Map<Eigen::MatrixXd> eMatrix(aMatrix.getData(),aMatrix.getDimSize(0),aMatrix.getDimSize(1));
-            Eigen::JacobiSVD<Eigen::MatrixXd> svd(eMatrix, Eigen::ComputeThinU | Eigen::ComputeThinV);
-            return svd.singularValues()(0);
+            if(aMatrix.isComplex())
+            {
+                Eigen::Map<Eigen::MatrixXcd> eMatrix((MKL_Complex16*)aMatrix.getData(), row, column);
+                Eigen::JacobiSVD<Eigen::MatrixXcd> svd(eMatrix, Eigen::ComputeThinU | Eigen::ComputeThinV);
+                return svd.singularValues()(0);
+            }
+            else
+            {
+                Eigen::Map<Eigen::MatrixXd> eMatrix(aMatrix.getData(), row, column);
+                Eigen::JacobiSVD<Eigen::MatrixXd> svd(eMatrix, Eigen::ComputeThinU | Eigen::ComputeThinV);
+                return svd.singularValues()(0);
+            }
         }
         else
         {
@@ -507,3 +521,20 @@ Matrix Aurora::horzcat(const Matrix& aMatrix1, const Matrix& aMatrix2)
 
     return Matrix::New(resultData, row, column1+column2, 1, aMatrix1.getValueType());
 }
+
+Matrix Aurora::vecnorm(const Matrix& aMatrix, NormMethod aNormMethod, int aDim)
+{
+    //only surpport aDim = 1 for now.
+    if(aDim != 1 || aNormMethod == NormMethod::NormF || aMatrix.isNull())
+    {
+        return Matrix();
+    }
+    int column = aMatrix.getDimSize(1);
+    double* resultData = Aurora::malloc(column);
+    for(int i=0; i<column; ++i)
+    {
+        resultData[i] = norm(aMatrix($,i,$).toMatrix(), aNormMethod);
+    }
+
+    return Matrix::New(resultData,column);
+}
diff --git a/src/Function1D.h b/src/Function1D.h
index 0dfc967..c2aa2eb 100644
--- a/src/Function1D.h
+++ b/src/Function1D.h
@@ -70,6 +70,8 @@ namespace Aurora {
 
     Matrix horzcat(const Matrix& aMatrix1, const Matrix& aMatrix2);
 
+    Matrix vecnorm(const Matrix& aMatrix, NormMethod aNormMethod, int aDim);
+
     /**
      * 多项式计算
      * @brief 例如p[1 0 1],x[3 2 5],代表对多项式 y = x^2 + 1 求(x=3, x=2, x=5)时所有的y
diff --git a/test/Function1D_Test.cpp b/test/Function1D_Test.cpp
index 067d743..d5d9d59 100644
--- a/test/Function1D_Test.cpp
+++ b/test/Function1D_Test.cpp
@@ -290,6 +290,7 @@ TEST_F(Function1D_Test, conj) {
 }
 
 TEST_F(Function1D_Test, norm) {
+    //1Dim
     double *data = new double[3]{1,2,-3};
     auto matrix = Aurora::Matrix::fromRawData(data, 3);
     auto result = Aurora::norm(matrix,Aurora::NormMethod::Norm1);
@@ -299,6 +300,7 @@ TEST_F(Function1D_Test, norm) {
     result = Aurora::norm(matrix,Aurora::NormMethod::NormF);
     EXPECT_DOUBLE_AE(result,3.74166);
 
+    //2Dims
     data = new double[8]{1,2,-3,6,7,9,22.3,-8.6};
     matrix = Aurora::Matrix::fromRawData(data, 4,2);
     result = Aurora::norm(matrix,Aurora::NormMethod::Norm1);
@@ -307,6 +309,26 @@ TEST_F(Function1D_Test, norm) {
     EXPECT_DOUBLE_AE(result,26.7284);
     result = Aurora::norm(matrix,Aurora::NormMethod::NormF);
     EXPECT_DOUBLE_AE(result,27.4089);
+
+    //1Dim Complex
+    data = new double[6]{1,2,-3,4,5,-6};
+    matrix = Aurora::Matrix::fromRawData(data, 3,1,1,Aurora::Complex);
+    result = Aurora::norm(matrix,Aurora::NormMethod::Norm1);
+    EXPECT_DOUBLE_AE(result,15.0463);
+    result = Aurora::norm(matrix,Aurora::NormMethod::Norm2);
+    EXPECT_DOUBLE_AE(result,9.5394);
+    result = Aurora::norm(matrix,Aurora::NormMethod::NormF);
+    EXPECT_DOUBLE_AE(result,9.5394);
+
+    //2Dims Complex
+    data = new double[12]{1,2,-3,4,5,-6,7,8,9,22,24,25};
+    matrix = Aurora::Matrix::fromRawData(data, 3,2,1,Aurora::Complex);
+    result = Aurora::norm(matrix,Aurora::NormMethod::Norm1);
+    EXPECT_DOUBLE_AE(result,69.0553);
+    result = Aurora::norm(matrix,Aurora::NormMethod::Norm2);
+    EXPECT_DOUBLE_AE(result,43.5314);
+    result = Aurora::norm(matrix,Aurora::NormMethod::NormF);
+    EXPECT_DOUBLE_AE(result,44.3847);
 }
 
 TEST_F(Function1D_Test, transpose) {
@@ -368,3 +390,41 @@ TEST_F(Function1D_Test, horzcat) {
     EXPECT_DOUBLE_EQ(result.getDimSize(0),3);
     EXPECT_DOUBLE_EQ(result.getDimSize(1),2);
 }
+
+TEST_F(Function1D_Test, vecnrom) {
+    //1Dim
+    double *data = new double[3]{1,2,-3};
+    auto matrix = Aurora::Matrix::fromRawData(data, 3);
+    auto result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm1,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],6);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm2,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],3.74166);
+
+    //2Dims
+    data = new double[8]{1,2,-3,6,7,9,22.3,-8.6};
+    matrix = Aurora::Matrix::fromRawData(data, 4,2);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm1,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],12);
+    EXPECT_DOUBLE_AE(result.getData()[1],46.9);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm2,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],7.0711);
+    EXPECT_DOUBLE_AE(result.getData()[1],26.4811);
+
+    //1Dim Complex
+    data = new double[6]{1,2,-3,4,5,-6};
+    matrix = Aurora::Matrix::fromRawData(data, 3,1,1,Aurora::Complex);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm1,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],15.0463);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm2,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],9.5394);
+
+    //2Dims Complex
+    data = new double[12]{1,2,-3,4,5,-6,7,8,9,22,24,25};
+    matrix = Aurora::Matrix::fromRawData(data, 3,2,1,Aurora::Complex);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm1,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],15.0463);
+    EXPECT_DOUBLE_AE(result.getData()[1],69.0553);
+    result = Aurora::vecnorm(matrix,Aurora::NormMethod::Norm2,1);
+    EXPECT_DOUBLE_AE(result.getData()[0],9.5394);
+    EXPECT_DOUBLE_AE(result.getData()[1],43.3474);
+}