diff --git a/cocos/scripting/lua-bindings/manual/CCLuaBridge.cpp b/cocos/scripting/lua-bindings/manual/CCLuaBridge.cpp
index feca8244e9..a6889bd7b2 100644
--- a/cocos/scripting/lua-bindings/manual/CCLuaBridge.cpp
+++ b/cocos/scripting/lua-bindings/manual/CCLuaBridge.cpp
@@ -51,7 +51,7 @@ int LuaBridge::pushLuaFunctionById(int functionId)
     lua_pushnil(L);                                             /* L: f_id nil */
     while (lua_next(L, -2) != 0)                                /* L: f_id f id */
     {
-        int value = lua_tonumber(L, -1);
+        int value = lua_tointeger(L, -1);
         lua_pop(L, 1);                                          /* L: f_id f */
         if (value == functionId)
         {
@@ -85,7 +85,7 @@ int LuaBridge::retainLuaFunctionById(int functionId)
     }
     
     // increase counter
-    int retainCount = lua_tonumber(L, -1);
+    int retainCount = lua_tointeger(L, -1);
     retainCount++;
     lua_pop(L, 1);                                              /* L: id_r */
     lua_pushinteger(L, functionId);                             /* L: id_r id */
@@ -130,7 +130,7 @@ int LuaBridge::releaseLuaFunctionById(int functionId)
         return 0;
     }
     
-    int retainCount = lua_tonumber(L, -1);
+    int retainCount = lua_tointeger(L, -1);
     retainCount--;
     
     if (retainCount > 0)
@@ -155,7 +155,7 @@ int LuaBridge::releaseLuaFunctionById(int functionId)
     lua_pushnil(L);                                             /* L: f_id nil */
     while (lua_next(L, -2) != 0)                                /* L: f_id f id */
     {
-        int value = lua_tonumber(L, -1);
+        int value = lua_tointeger(L, -1);
         lua_pop(L, 1);                                          /* L: f_id f */
         if (value == functionId)
         {
@@ -214,7 +214,7 @@ int LuaBridge::retainLuaFunction(lua_State *L, int functionIndex, int *retainCou
     }
     else
     {
-        functionId = lua_tonumber(L, -1);
+        functionId = lua_tointeger(L, -1);
     }
     
     // get function retain
@@ -230,7 +230,7 @@ int LuaBridge::retainLuaFunction(lua_State *L, int functionIndex, int *retainCou
     else
     {
         // add retain count
-        retainCount = lua_tonumber(L, -1);
+        retainCount = lua_tointeger(L, -1);
         retainCount++;
         lua_pop(L, 1);
         lua_pushinteger(L, retainCount);
diff --git a/cocos/scripting/lua-bindings/manual/CCLuaEngine.cpp b/cocos/scripting/lua-bindings/manual/CCLuaEngine.cpp
index 62c9ec8502..8637fa8d8b 100644
--- a/cocos/scripting/lua-bindings/manual/CCLuaEngine.cpp
+++ b/cocos/scripting/lua-bindings/manual/CCLuaEngine.cpp
@@ -420,10 +420,10 @@ int LuaEngine::handleAccelerometerEvent(void* data)
         return 0;
     
     Acceleration* accelerationValue = static_cast<Acceleration*>(basicScriptData->value);
-    _stack->pushFloat(accelerationValue->x);
-    _stack->pushFloat(accelerationValue->y);
-    _stack->pushFloat(accelerationValue->z);
-    _stack->pushFloat(accelerationValue->timestamp);
+    _stack->pushFloat(float(accelerationValue->x));
+    _stack->pushFloat(float(accelerationValue->y));
+    _stack->pushFloat(float(accelerationValue->z));
+    _stack->pushFloat(float(accelerationValue->timestamp));
     int ret = _stack->executeFunctionByHandler(handler, 4);
     _stack->clean();
     return ret;
diff --git a/cocos/scripting/lua-bindings/manual/LuaBasicConversions.cpp b/cocos/scripting/lua-bindings/manual/LuaBasicConversions.cpp
index 8ebfee94b1..bec3d21fba 100644
--- a/cocos/scripting/lua-bindings/manual/LuaBasicConversions.cpp
+++ b/cocos/scripting/lua-bindings/manual/LuaBasicConversions.cpp
@@ -340,12 +340,12 @@ bool luaval_to_vec2(lua_State* L,int lo,cocos2d::Vec2* outValue, const char* fun
     {
         lua_pushstring(L, "x");
         lua_gettable(L, lo);
-        outValue->x = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->x = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "y");
         lua_gettable(L, lo);
-        outValue->y = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->y = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
     }
     return ok;
@@ -372,17 +372,17 @@ bool luaval_to_vec3(lua_State* L,int lo,cocos2d::Vec3* outValue, const char* fun
     {
         lua_pushstring(L, "x");
         lua_gettable(L, lo);
-        outValue->x = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->x = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "y");
         lua_gettable(L, lo);
-        outValue->y = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->y = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "z");
         lua_gettable(L, lo);
-        outValue->z = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->z = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
     }
     return ok;
@@ -409,22 +409,22 @@ bool luaval_to_vec4(lua_State* L,int lo,cocos2d::Vec4* outValue, const char* fun
     {
         lua_pushstring(L, "x");
         lua_gettable(L, lo);
-        outValue->x = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->x = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "y");
         lua_gettable(L, lo);
-        outValue->y = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->y = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "z");
         lua_gettable(L, lo);
-        outValue->z = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->z = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "w");
         lua_gettable(L, lo);
-        outValue->w = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->w = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
     }
     return ok;
@@ -490,17 +490,17 @@ bool luaval_to_physics_material(lua_State* L,int lo,PhysicsMaterial* outValue, c
     {
         lua_pushstring(L, "density");
         lua_gettable(L, lo);
-        outValue->density = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->density = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "restitution");
         lua_gettable(L, lo);
-        outValue->restitution = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->restitution = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "friction");
         lua_gettable(L, lo);
-        outValue->friction = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->friction = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
     }
     return ok;
@@ -580,12 +580,12 @@ bool luaval_to_size(lua_State* L,int lo,Size* outValue, const char* funcName)
     {
         lua_pushstring(L, "width");  /* L: paramStack key */
         lua_gettable(L,lo);/* L: paramStack paramStack[lo][key] */
-        outValue->width = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->width = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);/* L: paramStack*/
 
         lua_pushstring(L, "height");
         lua_gettable(L,lo);
-        outValue->height = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->height = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
     }
 
@@ -612,22 +612,22 @@ bool luaval_to_rect(lua_State* L,int lo,Rect* outValue, const char* funcName)
     {
         lua_pushstring(L, "x");
         lua_gettable(L,lo);
-        outValue->origin.x = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->origin.x = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
 
         lua_pushstring(L, "y");
         lua_gettable(L,lo);
-        outValue->origin.y = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->origin.y = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
 
         lua_pushstring(L, "width");
         lua_gettable(L,lo);
-        outValue->size.width = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->size.width = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
 
         lua_pushstring(L, "height");
         lua_gettable(L,lo);
-        outValue->size.height = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->size.height = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
     }
 
@@ -654,22 +654,22 @@ bool luaval_to_color4b(lua_State* L,int lo,Color4B* outValue, const char* funcNa
     {
         lua_pushstring(L, "r");
         lua_gettable(L,lo);
-        outValue->r = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->r = lua_isnil(L,-1) ? 0 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
 
         lua_pushstring(L, "g");
         lua_gettable(L,lo);
-        outValue->g = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->g = lua_isnil(L,-1) ? 0 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
 
         lua_pushstring(L, "b");
         lua_gettable(L,lo);
-        outValue->b = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->b = lua_isnil(L,-1) ? 0 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
 
         lua_pushstring(L, "a");
         lua_gettable(L,lo);
-        outValue->a = lua_isnil(L,-1) ? 255 : lua_tonumber(L,-1);
+        outValue->a = lua_isnil(L,-1) ? 255 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
     }
 
@@ -696,22 +696,22 @@ bool luaval_to_color4f(lua_State* L,int lo,Color4F* outValue, const char* funcNa
     {
         lua_pushstring(L, "r");
         lua_gettable(L,lo);
-        outValue->r = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->r = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
 
         lua_pushstring(L, "g");
         lua_gettable(L,lo);
-        outValue->g = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->g = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
 
         lua_pushstring(L, "b");
         lua_gettable(L,lo);
-        outValue->b = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->b = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
 
         lua_pushstring(L, "a");
         lua_gettable(L,lo);
-        outValue->a = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->a = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
     }
 
@@ -738,17 +738,17 @@ bool luaval_to_color3b(lua_State* L,int lo,Color3B* outValue, const char* funcNa
     {
         lua_pushstring(L, "r");
         lua_gettable(L,lo);
-        outValue->r = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->r = lua_isnil(L,-1) ? 0 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
 
         lua_pushstring(L, "g");
         lua_gettable(L,lo);
-        outValue->g = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->g = lua_isnil(L,-1) ? 0 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
 
         lua_pushstring(L, "b");
         lua_gettable(L,lo);
-        outValue->b = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        outValue->b = lua_isnil(L,-1) ? 0 : static_cast<uint8_t>(lua_tonumber(L,-1));
         lua_pop(L,1);
     }
 
@@ -945,7 +945,7 @@ bool luaval_to_fontdefinition(lua_State* L, int lo, FontDefinition* outValue , c
             lua_gettable(L,lo);
             if (!lua_isnil(L,-1))
             {
-                outValue->_shadow._shadowOpacity = lua_tonumber(L,-1);
+                outValue->_shadow._shadowOpacity = (float)lua_tonumber(L,-1);
             }
             lua_pop(L,1);
         }
@@ -1011,7 +1011,7 @@ bool luaval_to_ttfconfig(lua_State* L,int lo, cocos2d::TTFConfig* outValue, cons
 
         lua_pushstring(L, "fontSize");
         lua_gettable(L,lo);
-        outValue->fontSize = lua_isnumber(L, -1)?(int)lua_tointeger(L, -1) : 0;
+        outValue->fontSize = lua_isnumber(L, -1)?(float)lua_tointeger(L, -1) : 0.0f;
         lua_pop(L,1);
 
         lua_pushstring(L, "glyphs");
@@ -1071,7 +1071,7 @@ bool luaval_to_mat4(lua_State* L, int lo, cocos2d::Mat4* outValue , const char*
                 lua_gettable(L,lo);
                 if (tolua_isnumber(L, -1, 0, &tolua_err))
                 {
-                    outValue->m[i] = tolua_tonumber(L, -1, 0);
+                    outValue->m[i] = (float)tolua_tonumber(L, -1, 0);
                 }
                 else
                 {
@@ -1976,22 +1976,22 @@ bool luaval_to_quaternion(lua_State* L,int lo,cocos2d::Quaternion* outValue, con
     {
         lua_pushstring(L, "x");
         lua_gettable(L, lo);
-        outValue->x = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->x = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "y");
         lua_gettable(L, lo);
-        outValue->y = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->y = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "z");
         lua_gettable(L, lo);
-        outValue->z = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->z = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "w");
         lua_gettable(L, lo);
-        outValue->w = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->w = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
     }
     return ok;
@@ -2017,22 +2017,22 @@ bool luaval_to_texparams(lua_State* L,int lo,cocos2d::Texture2D::TexParams* outV
     {
         lua_pushstring(L, "minFilter");
         lua_gettable(L, lo);
-        outValue->minFilter = utils::toBackendSamplerFilter(lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1));
+        outValue->minFilter = utils::toBackendSamplerFilter(lua_isnil(L, -1) ? 0 : lua_tointeger(L, -1));
         lua_pop(L, 1);
 
         lua_pushstring(L, "magFilter");
         lua_gettable(L, lo);
-        outValue->magFilter = utils::toBackendSamplerFilter(lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1));
+        outValue->magFilter = utils::toBackendSamplerFilter(lua_isnil(L, -1) ? 0 : lua_tointeger(L, -1));
         lua_pop(L, 1);
 
         lua_pushstring(L, "wrapS");
         lua_gettable(L, lo);
-        outValue->sAddressMode = utils::toBackendAddressMode(lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1));
+        outValue->sAddressMode = utils::toBackendAddressMode(lua_isnil(L, -1) ? 0 : lua_tointeger(L, -1));
         lua_pop(L, 1);
 
         lua_pushstring(L, "wrapT");
         lua_gettable(L, lo);
-        outValue->tAddressMode = utils::toBackendAddressMode(lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1));
+        outValue->tAddressMode = utils::toBackendAddressMode(lua_isnil(L, -1) ? 0 : lua_tointeger(L, -1));
         lua_pop(L, 1);
     }
     return ok;
@@ -2054,21 +2054,19 @@ bool luaval_to_tex2f(lua_State* L, int lo, cocos2d::Tex2F* outValue, const char*
         ok = false;
     }
 
-
     if (ok)
     {
         lua_pushstring(L, "u");
         lua_gettable(L, lo);
-        outValue->u = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->u = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
 
         lua_pushstring(L, "v");
         lua_gettable(L, lo);
-        outValue->v = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->v = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
     }
     return ok;
-
 }
 
 
diff --git a/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_deprecated.cpp b/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_deprecated.cpp
index 730802404b..83756745d4 100644
--- a/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_deprecated.cpp
+++ b/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_deprecated.cpp
@@ -1541,7 +1541,7 @@ static int tolua_cocos2d_kmGLLoadMatrix00(lua_State* tolua_S)
             else
 #endif
             {
-                mat4.m[i] = tolua_tonumber(tolua_S, -1, 0);
+                mat4.m[i] = (float)tolua_tonumber(tolua_S, -1, 0);
                 lua_pop(tolua_S, 1);
             }
         }
diff --git a/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_manual.cpp b/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_manual.cpp
index 8fb16a7388..ef46db0c5e 100644
--- a/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_manual.cpp
+++ b/cocos/scripting/lua-bindings/manual/cocos2d/lua_cocos2dx_manual.cpp
@@ -448,7 +448,7 @@ static int tolua_cocos2d_Menu_create(lua_State* tolua_S)
     if (argc > 0 )
     {
         Vector<MenuItem*> items;
-        uint32_t i = 1;
+        int i = 1;
         while (i <= argc)
         {
 #if COCOS2D_DEBUG >= 1
@@ -598,7 +598,7 @@ static int tolua_cocos2d_MenuItemToggle_create(lua_State* tolua_S)
             return 0;
         }
 
-        for (uint32_t i = 0; i < argc; ++i)
+        for (auto i = 0; i < argc; ++i)
         {
 #if COCOS2D_DEBUG >= 1
             if (!tolua_isusertype(tolua_S, i + 2,"cc.MenuItem",0,&tolua_err) )
@@ -1414,7 +1414,7 @@ static int lua_cocos2dx_Layer_setAccelerometerInterval(lua_State* L)
         if (!tolua_isnumber(L, 2, 0, &tolua_err))
             goto tolua_lerror;
 #endif
-        double interval = tolua_tonumber(L, 2, 0);
+        float interval = (float)tolua_tonumber(L, 2, 0);
         Device::setAccelerometerInterval(interval);
         return 0;
     }
@@ -1997,7 +1997,7 @@ int tolua_cocos2d_Sequence_create(lua_State* tolua_S)
         }
         else
         {
-            uint32_t i = 1;
+            int i = 1;
             while (i <= argc)
             {
 #if COCOS2D_DEBUG >= 1
@@ -7830,10 +7830,10 @@ static int tolua_cocos2d_Mat4_transformVector(lua_State* tolua_S)
             if (!ok)
                 return 0;
 
-            x = tolua_tonumber(tolua_S, 2, 0);
-            y = tolua_tonumber(tolua_S, 3, 0);
-            z = tolua_tonumber(tolua_S, 4, 0);
-            w = tolua_tonumber(tolua_S, 5, 0);
+            x = (float)tolua_tonumber(tolua_S, 2, 0);
+            y = (float)tolua_tonumber(tolua_S, 3, 0);
+            z = (float)tolua_tonumber(tolua_S, 4, 0);
+            w = (float)tolua_tonumber(tolua_S, 5, 0);
 
             mat.transformVector(x,y,z,w, &dst);
             vec3_to_luaval(tolua_S, dst);
@@ -8832,7 +8832,7 @@ static int tolua_cocos2d_bytearray_floatv(lua_State *L)
             }
             lua_pop(L, 1);
             lua_newtable(L);
-            for (auto idx = 0; idx < arg.size(); idx++)
+            for (size_t idx = 0; idx < arg.size(); idx++)
             {
                 lua_pushnumber(L, arg[idx]);
                 lua_rawseti(L, 1, idx + 1);
diff --git a/cocos/scripting/lua-bindings/manual/navmesh/lua_cocos2dx_navmesh_conversions.cpp b/cocos/scripting/lua-bindings/manual/navmesh/lua_cocos2dx_navmesh_conversions.cpp
index 69a0d1133d..bde0eb0c54 100644
--- a/cocos/scripting/lua-bindings/manual/navmesh/lua_cocos2dx_navmesh_conversions.cpp
+++ b/cocos/scripting/lua-bindings/manual/navmesh/lua_cocos2dx_navmesh_conversions.cpp
@@ -54,38 +54,38 @@ bool luaval_to_navmeshagentparam(lua_State* L, int lo, cocos2d::NavMeshAgentPara
     {
         lua_pushstring(L, "radius");
         lua_gettable(L,lo);
-        outValue->radius = lua_isnumber(L, -1)? (float)lua_tonumber(L, -1) : 0.6;
+        outValue->radius = lua_isnumber(L, -1)? (float)lua_tonumber(L, -1) : 0.6f;
         lua_pop(L,1);
         
         lua_pushstring(L, "height");
         lua_gettable(L,lo);
-        outValue->height = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 2.0;
+        outValue->height = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 2.0f;
         lua_pop(L,1);
         
         lua_pushstring(L, "maxAcceleration");
         lua_gettable(L, lo);
-        outValue->maxAcceleration = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 8.0;
+        outValue->maxAcceleration = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 8.0f;
         lua_pop(L, 1);
         
 
         lua_pushstring(L, "maxSpeed");
         lua_gettable(L, lo);
-        outValue->maxSpeed = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 3.5;
+        outValue->maxSpeed = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 3.5f;
         lua_pop(L, 1);
 
         lua_pushstring(L, "collisionQueryRange");
         lua_gettable(L, lo);
-        outValue->collisionQueryRange = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : outValue->radius * 12.0;
+        outValue->collisionQueryRange = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : outValue->radius * 12.0f;
         lua_pop(L, 1);
 
         lua_pushstring(L, "pathOptimizationRange");
         lua_gettable(L, lo);
-        outValue->pathOptimizationRange = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) :  outValue->radius * 30.0;
+        outValue->pathOptimizationRange = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) :  outValue->radius * 30.0f;
         lua_pop(L, 1);
 
         lua_pushstring(L, "separationWeight");
         lua_gettable(L, lo);
-        outValue->separationWeight = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 2.0;
+        outValue->separationWeight = lua_isnumber(L, -1)?(float)lua_tonumber(L, -1) : 2.0f;
         lua_pop(L, 1);
 
         lua_pushstring(L, "updateFlags");
diff --git a/cocos/scripting/lua-bindings/manual/network/lua_xml_http_request.cpp b/cocos/scripting/lua-bindings/manual/network/lua_xml_http_request.cpp
index 457ec3b1df..83af83dc17 100644
--- a/cocos/scripting/lua-bindings/manual/network/lua_xml_http_request.cpp
+++ b/cocos/scripting/lua-bindings/manual/network/lua_xml_http_request.cpp
@@ -382,6 +382,9 @@ static int lua_cocos2dx_XMLHttpRequest_constructor(lua_State* L)
     if (argc == 0)
     {
         self = new (std::nothrow) LuaMinXmlHttpRequest();
+#if COCOS2D_DEBUG >= 1
+        if (self == nullptr) goto tolua_lerror;
+#endif
         tolua_pushusertype(L, (void*)self, "cc.XMLHttpRequest");
         tolua_register_gc(L, lua_gettop(L));
         return 1;
@@ -772,7 +775,7 @@ static int lua_get_XMLHttpRequest_response(lua_State* L)
         
         self->getByteData(tmpData);
         
-        for (int i = 0 ; i < self->getDataSize(); i++)
+        for (size_t i = 0 ; i < self->getDataSize(); i++)
         {
             LuaValue value = LuaValue::intValue(tmpData[i]);
             array.push_back(value);
diff --git a/cocos/scripting/lua-bindings/manual/physics3d/lua_cocos2dx_physics3d_manual.cpp b/cocos/scripting/lua-bindings/manual/physics3d/lua_cocos2dx_physics3d_manual.cpp
index 147edefd0d..f4bc2e8654 100644
--- a/cocos/scripting/lua-bindings/manual/physics3d/lua_cocos2dx_physics3d_manual.cpp
+++ b/cocos/scripting/lua-bindings/manual/physics3d/lua_cocos2dx_physics3d_manual.cpp
@@ -52,7 +52,7 @@ bool luaval_to_Physics3DRigidBodyDes(lua_State* L,int lo,cocos2d::Physics3DRigid
     {
         lua_pushstring(L, "mass");
         lua_gettable(L, lo);
-        outValue->mass = lua_isnil(L, -1) ? 0 : lua_tonumber(L, -1);
+        outValue->mass = lua_isnil(L, -1) ? 0.0f : (float)lua_tonumber(L, -1);
         lua_pop(L, 1);
         
         lua_pushstring(L, "localInertia");
@@ -553,7 +553,7 @@ int lua_cocos2dx_physics3d_Physics3DShape_createHeightfield(lua_State* L)
             tolua_error(L,"invalid arguments in function 'lua_cocos2dx_physics3d_Physics3DShape_createHeightfield'", nullptr);
             return 0;
         }
-        cocos2d::Physics3DShape* ret = cocos2d::Physics3DShape::createHeightfield(arg0, arg1, &arg2[0], arg3, arg4, arg5, arg6, arg7);
+        cocos2d::Physics3DShape* ret = cocos2d::Physics3DShape::createHeightfield(arg0, arg1, &arg2[0], (float)arg3, (float)arg4, (float)arg5, arg6, arg7);
         object_to_luaval<cocos2d::Physics3DShape>(L, "cc.Physics3DShape",(cocos2d::Physics3DShape*)ret);
         return 1;
     }
@@ -582,7 +582,7 @@ int lua_cocos2dx_physics3d_Physics3DShape_createHeightfield(lua_State* L)
             tolua_error(L,"invalid arguments in function 'lua_cocos2dx_physics3d_Physics3DShape_createHeightfield'", nullptr);
             return 0;
         }
-        cocos2d::Physics3DShape* ret = cocos2d::Physics3DShape::createHeightfield(arg0, arg1, &arg2[0], arg3, arg4, arg5, arg6, arg7, arg8);
+        cocos2d::Physics3DShape* ret = cocos2d::Physics3DShape::createHeightfield(arg0, arg1, &arg2[0], (float)arg3, (float)arg4, (float)arg5, arg6, arg7, arg8);
         object_to_luaval<cocos2d::Physics3DShape>(L, "cc.Physics3DShape",(cocos2d::Physics3DShape*)ret);
         return 1;
     }
diff --git a/cocos/scripting/lua-bindings/manual/ui/lua_cocos2dx_ui_manual.cpp b/cocos/scripting/lua-bindings/manual/ui/lua_cocos2dx_ui_manual.cpp
index 642fd44642..ed30f98f4e 100644
--- a/cocos/scripting/lua-bindings/manual/ui/lua_cocos2dx_ui_manual.cpp
+++ b/cocos/scripting/lua-bindings/manual/ui/lua_cocos2dx_ui_manual.cpp
@@ -770,22 +770,22 @@ static int lua_cocos2dx_LayoutParameter_setMargin(lua_State* L)
         Margin margin;
         lua_pushstring(L, "left");
         lua_gettable(L,2);
-        margin.left = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        margin.left = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
             
         lua_pushstring(L, "top");
         lua_gettable(L,2);
-        margin.top = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        margin.top = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
             
         lua_pushstring(L, "right");
         lua_gettable(L,2);
-        margin.right = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        margin.right = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
             
         lua_pushstring(L, "bottom");
         lua_gettable(L,2);
-        margin.bottom = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1);
+        margin.bottom = lua_isnil(L,-1) ? 0.0f : (float)lua_tonumber(L,-1);
         lua_pop(L,1);
         
         self->setMargin(margin);