diff --git a/Project.toml b/Project.toml
index 65f5586..1decdfe 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MetidaNCA"
 uuid = "097c2839-c7bc-4c4b-a5f2-b4167c1b4e7c"
 authors = ["PharmCat <v.s.arnautov@yandex.ru>"]
-version = "0.5.7"
+version = "0.5.8"
 
 
 [deps]
diff --git a/change.log b/change.log
index 313adf4..3e8ff28 100644
--- a/change.log
+++ b/change.log
@@ -1,3 +1,9 @@
+0.5.8
+- plots minor changing 
+
+0.5.7
+- fix partials
+
 0.5.6
   - extend partials
 
diff --git a/src/nca.jl b/src/nca.jl
index 39b0d0b..6d2695c 100644
--- a/src/nca.jl
+++ b/src/nca.jl
@@ -833,8 +833,12 @@ end
 function maxconc(subj::T) where T <: PKSubject
     maximum(subj.obs)
 end
-function minconc(subj::T) where T <: PKSubject
-    minimum(subj.obs)
+function minconc(subj::T, pos = false) where T <: PKSubject
+    if pos
+        return minimum(Iterators.filter(x-> x > zero(x), subj.obs))
+    else
+        return minimum(subj.obs)
+    end
 end
 
 function exrate(time::AbstractVector{Tuple{S, E}}, conc::AbstractVector{C}, vol::AbstractVector{V})  where S where E where C where V
diff --git a/src/plots.jl b/src/plots.jl
index 796ee3e..67d2f0f 100644
--- a/src/plots.jl
+++ b/src/plots.jl
@@ -192,13 +192,14 @@ function pkplot(subj::AbstractSubject; ls = false, elim = false, xticksn = :auto
                 elseif kwargs[:yscale] == :ln || kwargs[:yscale] == :log
                     b = ℯ
                 end
+                
                 t = collect(floor(log(b, minimum(obs))):ceil(log(b, maximum(obs))))
                 pushfirst!(t, first(t) - 1)
                 kwargs[:yticks] = b .^ t
-
+                
             end
             if !(:ylims in k)
-                kwargs[:ylims] = (b ^ floor(log(b, minimum(obs)*0.8)), maximum(obs)*1.3)
+                kwargs[:ylims] = (minimum(obs)*0.5, maximum(obs)*2.)
             end
         end
     else
@@ -280,10 +281,9 @@ function pkplot!(subj; ls = false, elim = false, xticksn = :auto, yticksn = :aut
                 t = collect(floor(log(b, minimum(obs))):ceil(log(b, maximum(obs))))
                 pushfirst!(t, first(t) - 1)
                 kwargs[:yticks] = b .^ t
-
             end
             if !(:ylims in k)
-                kwargs[:ylims] = (b ^ floor(log(b, minimum(obs)*0.8)), maximum(obs)*1.3)
+                kwargs[:ylims] = (minimum(obs)*0.5, maximum(obs)*2.)
             end
         end
     else
@@ -320,7 +320,13 @@ function pageplot(data, id, ulist; kwargs...)
     # Y lims
 
     if !(:ylims in k) && length(subdata) > 1
-        kwargs[:ylims] = (findmin(x->minconc(x), getdata(subdata))[1], findmax(x->maxconc(x), getdata(subdata))[1]*1.15)
+        ysc   = :yscale in k
+        ylmin = findmin(x->minconc(x, ysc), getdata(subdata))[1]
+        ylmax = findmax(x->maxconc(x), getdata(subdata))[1]*1.15
+        if ysc 
+            ylmax *= 5
+        end
+        kwargs[:ylims] = (ylmin, ylmax)
     end
     # Plotting subdata
     if length(subdata) > 1 kwargs[:elim] = false end