diff --git a/library/src/main/java/com/lt/library/base/BaseViewHolder.java b/library/src/main/java/com/lt/library/base/BaseViewHolder.java
index e23eb72..11f0f37 100644
--- a/library/src/main/java/com/lt/library/base/BaseViewHolder.java
+++ b/library/src/main/java/com/lt/library/base/BaseViewHolder.java
@@ -1,17 +1,20 @@
 package com.lt.library.base;
 
 import android.graphics.drawable.Drawable;
-import android.support.annotation.ColorInt;
+import android.support.annotation.ColorRes;
 import android.support.annotation.DrawableRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.widget.RecyclerView;
 import android.util.SparseArray;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.lt.library.util.context.ContextUtil;
+
 import java.util.Objects;
 
 /**
@@ -63,9 +66,14 @@ public void setTextSize(int viewId, float size) {
         view.setTextSize(size);
     }//设置文本大小
 
-    public void setTextColor(int viewId, @ColorInt int colorInt) {
+    public void setTextColor(int viewId, @ColorRes int resId) {
+        TextView view = findViewById(viewId);
+        view.setTextColor(ContextCompat.getColor(ContextUtil.getInstance().getContext(), resId));
+    }//设置文本颜色
+
+    public void setTextColorStateList(int viewId, @ColorRes int resId) {
         TextView view = findViewById(viewId);
-        view.setTextColor(colorInt);
+        view.setTextColor(ContextCompat.getColorStateList(ContextUtil.getInstance().getContext(), resId));
     }//设置文本颜色
 
     public void setImageDrawable(int viewId, @Nullable Drawable drawable) {
@@ -88,9 +96,9 @@ public void setBackgroundResource(int viewId, @DrawableRes int resId) {
         view.setBackgroundResource(resId);
     }//设置背景资源
 
-    public void setBackgroundColor(int viewId, @ColorInt int colorInt) {
+    public void setBackgroundColor(int viewId, @ColorRes int resId) {
         View view = findViewById(viewId);
-        view.setBackgroundColor(colorInt);
+        view.setBackgroundColor(ContextCompat.getColor(ContextUtil.getInstance().getContext(), resId));
     }//设置背景颜色
 
     public void setVisibility(int viewId, int visibility) {
diff --git a/library/src/main/java/com/lt/library/util/EdtLinkBtnUtil.java b/library/src/main/java/com/lt/library/util/EdtLinkBtnUtil.java
new file mode 100644
index 0000000..9c1273b
--- /dev/null
+++ b/library/src/main/java/com/lt/library/util/EdtLinkBtnUtil.java
@@ -0,0 +1,79 @@
+package com.lt.library.util;
+
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.ArrayMap;
+import android.widget.Button;
+import android.widget.EditText;
+
+import java.util.Map;
+
+public class EdtLinkBtnUtil implements TextWatcher {
+    private ArrayMap<EditText, Integer> mEditTextMap;
+    private Button mButton;
+
+    private EdtLinkBtnUtil() {
+        mEditTextMap = new ArrayMap<>();
+    }
+
+    @Override
+    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+    }
+
+    @Override
+    public void onTextChanged(CharSequence s, int start, int before, int count) {
+    }
+
+    @Override
+    public void afterTextChanged(Editable s) {
+        boolean isEnable = false;
+        for (Map.Entry<EditText, Integer> entry : mEditTextMap.entrySet()) {
+            EditText edt = entry.getKey();
+            Integer btnEnableLength = entry.getValue();
+            if (edt.getText().length() < btnEnableLength) {
+                isEnable = false;
+                break;
+            } else {
+                isEnable = true;
+            }
+        }
+        mButton.setEnabled(isEnable);
+    }
+
+    public void addEvent() {
+        for (Map.Entry<EditText, Integer> entry : mEditTextMap.entrySet()) {
+            EditText editText = entry.getKey();
+            editText.addTextChangedListener(this);
+        }
+    }
+
+    public void delEvent() {
+        for (Map.Entry<EditText, Integer> entry : mEditTextMap.entrySet()) {
+            EditText editText = entry.getKey();
+            editText.removeTextChangedListener(this);
+        }
+    }
+
+    public static class Builder {
+        private EdtLinkBtnUtil mEdtLinkBtnUtil;
+
+        public Builder() {
+            mEdtLinkBtnUtil = new EdtLinkBtnUtil();
+        }
+
+        public Builder addEditText(EditText editText, int btnEnableLength) {
+            mEdtLinkBtnUtil.mEditTextMap.put(editText, btnEnableLength);
+            return this;
+        }
+
+        public Builder setButton(Button button) {
+            mEdtLinkBtnUtil.mButton = button;
+            mEdtLinkBtnUtil.mButton.setEnabled(false);
+            return this;
+        }
+
+        public EdtLinkBtnUtil build() {
+            return mEdtLinkBtnUtil;
+        }
+    }
+}