diff --git a/framework/render/video/glRender/YUVProgramContext.cpp b/framework/render/video/glRender/YUVProgramContext.cpp
index 4724bde31..380384271 100644
--- a/framework/render/video/glRender/YUVProgramContext.cpp
+++ b/framework/render/video/glRender/YUVProgramContext.cpp
@@ -472,12 +472,15 @@ void YUVProgramContext::fillDataToYUVTextures(uint8_t **data, int *pLineSize, in
         uvHeight = mFrameHeight / 2;
     }
 
+    int yWidth = pLineSize[0];
+    int uvWidth = yWidth / 2; //uvWidth may not right in some iOS simulators.
+
     //use linesize to fill data with texture. some android phones which below 4.4 are not performed as excepted.
     // crop the extra data when draw.
 //update y
     glBindTexture(GL_TEXTURE_2D, mYUVTextures[0]);
     glPixelStorei(GL_UNPACK_ROW_LENGTH, pLineSize[0] );
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, pLineSize[0], mFrameHeight,
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, yWidth, mFrameHeight,
                  0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data[0]);
     GLint yLocation = glGetUniformLocation(mProgram, "y_tex");
     glUniform1i(yLocation, 0);
@@ -486,7 +489,7 @@ void YUVProgramContext::fillDataToYUVTextures(uint8_t **data, int *pLineSize, in
 //update u
     glBindTexture(GL_TEXTURE_2D, mYUVTextures[1]);
     glPixelStorei(GL_UNPACK_ROW_LENGTH,  pLineSize[1]);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, pLineSize[1], uvHeight ,
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, uvWidth, uvHeight ,
                  0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data[1]);
     GLint uLocation = glGetUniformLocation(mProgram, "u_tex");
     glUniform1i(uLocation, 1);
@@ -495,7 +498,7 @@ void YUVProgramContext::fillDataToYUVTextures(uint8_t **data, int *pLineSize, in
 //update v
     glBindTexture(GL_TEXTURE_2D, mYUVTextures[2]);
     glPixelStorei(GL_UNPACK_ROW_LENGTH,  pLineSize[2]);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, pLineSize[2], uvHeight ,
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, uvWidth, uvHeight ,
                  0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data[2]);
     GLint vLocation = glGetUniformLocation(mProgram, "v_tex");
     glUniform1i(vLocation, 2);